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Health & Fitness

Fitness, nutrition, recovery, sleep, mental wellness, and living better

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Health and fitness coverage is dominated by fad protocols, supplement marketing dressed as research, and wellness influencers who swap their recommendations when the sponsorship changes.

The durable signal in this space is boring by comparison: strength training keeps appearing in longevity research, consistent sleep keeps outperforming sleep hacks, walking keeps showing up as underrated. Owl Post reads the actual research behind these claims, evaluates how solid the study design is, and surfaces what is holding up across independent replications versus what is one viral study away from being overturned.

Read the full Health & Fitness briefing

The beat covers exercise science (strength, cardio, mobility, and the research on optimal protocols), nutrition (what the evidence actually shows about diet patterns, not whatever is trending), sleep and recovery, mental health and its intersection with physical practice, and the broader wellness industry, including how to evaluate claims critically. Owl Post reads peer-reviewed research, follows the scientists and physicians doing serious work, and reads the publications that hold their reporting to an evidence standard.

Your digest adapts to how you engage with health information. If you want the science explained at the mechanism level, with the study quality assessed, that framing is available. If you want the practical implementation angle, focused on what to actually change based on the evidence, that works too. Either way, the sourcing is from people and institutions that cite their work.

A daily health and fitness digest. What the research actually shows, applied to how you actually live. The goal is not more information about wellness. It is better information, filtered by people who read the studies and know how to evaluate them.

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Are You Eating Enough Whole Grains to Lower Your Heart Disease Risk?

Consuming 4 to 6 servings of whole grains per day could offer significant heart health benefits, according to a new study. Viktoriya Skorikova/Moment/Getty Images A large meta-analysis suggests that eating more whole grains may offer substantial cardiovascular benefits. The findings show that every additional 48 grams of whole grains consumed per day was associated with improvements in body weight, waist circumference, total cholesterol, and inflammatory markers. The greatest cardiometabolic benefits appeared at 60 to 100 grams of whole grains per day, or 4 to 6 servings. Whole grains, such as oats, brown rice, whole wheat, and farro, offer cardiovascular and metabolic health benefits as part of a balanced diet. Whole grains have long been touted for their heart health benefits. Even a box of Cheerios boasts the trademark heart-healthy claim. Now, researchers say that loading up on whole grains may offer even greater cardiovascular benefits. A large meta-analysis of 87 trials found that roughly 4 to 6 servings of whole grains per day offer substantial benefits for cholesterol, inflammation, blood pressure, and metabolic health. The findings, published on September 15 in the European Heart Journal, indicate a “likely causal” relationship between higher whole grain intake and reductions in cardiovascular risk factors. The benefits, the researchers say, start at around three servings of whole grains per day. That’s a bowl of oatmeal (1 serving) and two slices of whole wheat bread (2 servings). This suggests that the current recommendations of 2 to 4 servings of whole grains per day set by the U.S. Dietary Guidelines for Americans are sufficient. However, adding a few more servings to your diet each day could be a boon for heart and metabolic health. Still, most U.S. adults fall short of getting enough whole grains in their diets, with only 2.9–7.7% consuming the recommended amount each day, meaning that most people aren’t getting enough dietary fiber. Cardiovascular be

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Are You Eating Enough Whole Grains to Lower Your Heart Disease Risk?

Wellness Apps, Medically Tailored Meals Help Slow Weight Gain After GLP-1s

Recent research shows that structured support may help with weight maintenance after stopping GLP-1s. licensed miniseries · E+/Getty Most people regain a significant portion of the weight they lost within 1 year of stopping GLP-1 medications such as semaglutide (Wegovy) or tirzepatide (Zepbound). A small study found that structured support, including a digital weight management app or medically tailored meals, may help slow weight regain after stopping GLP-1 medications. Healthy eating habits, regular exercise, and ongoing medical support may help people maintain weight loss, while some may benefit from continuing GLP-1 medications long-term. Weight regain is common after stopping GLP-1 medications such as semaglutide (Wegovy, Ozempic) and tirzepatide (Mounjaro, Zepbound). In fact, previous research has shown that most people regain at least half of their lost weight within 1 year of stopping treatment, with weight regain often accelerating during the first 3–4 months. However, a new study suggests that structured support, including a weight management app or medically tailored meals, may help slow weight regain after discontinuing GLP-1 medications. The small study, published October 7 in Obesity Science & Practice, found that participants who received either intervention regained significantly less weight over four months than those receiving usual care. How researchers tested ways to limit weight regain after stopping GLP-1s The study included 39 adults with an average age of 50, an average weight of 189 pounds, and an average body mass index (BMI) of 31.4. All participants had lost more than 10% of their body weight while taking GLP-1 medications and had stopped treatment within the previous 30 days. All participants also completed questionnaires at the beginning and end of the study and used Bluetooth scales to track their weight at home throughout the four-month period. Researchers randomly assigned participants to one of the following three groups: Usual care

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Pain Prevalence Higher in Women, Increases Most Rapidly Before 55

Recent research has found that women experience pain more often than men and that pain prevalence increases more rapidly before the age of 55. ljubaphoto · E+/Getty A large global study found that pain prevalence increases most rapidly before age 55 and is consistently higher in women than men across 11 body sites. Back pain was the most commonly reported type of pain, affecting 40% of participants. The likelihood of experiencing any bodily pain increased with age, while high intensity and generalized pain peaked in mid-to-late adulthood before declining. Smoking, obesity, and lower household income were associated with a higher burden of pain. Women experience a higher prevalence of pain than men across different areas of the body, according to a large global study published October 5 in Nature Medicine. The analysis, which included more than 6 million people, also found that pain prevalence generally increased with age, with the most rapid increases occurring before age 55. The findings come as lower back pain, neck pain, and osteoarthritis — all common causes of pain — are projected to become more prevalent globally by 2050. Pain is more prevalent in women than men Pain, especially lower back pain, is the leading cause of disability worldwide. However, researchers have lacked a standardized way to examine how self-reported pain varies across the life span and different regions of the world. This new study is one of the largest efforts to date to examine self-reported pain using a standardized approach. The researchers analyzed data from 6,125,459 individuals spanning 118 countries from 1990 to 2025. Participants ranged in age from 5 to more than 100, and 55% were female. They used self-reported data on pain across 11 body sites: head face neck or shoulder foot or ankle hand or wrist elbow chest back stomach or abdomen hip knee The researchers found that women consistently reported a higher prevalence of pain across all 11 sites than men. The largest differences b

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Letter From the Editor-in-Chief: Is Worrying About Sleep Keeping Us Awake?

A recent study found that a lack of REM and deep sleep is linked to higher risks of dozens of diseases. Credit: Getty A new study analyzing wrist tracker data from 95,000 people found that higher amounts of REM and deep sleep were linked to a lower risk of 83 diseases combined, including dementia, hypertension, and Parkinson’s. Nearly 70% of Americans say anxiety disrupts their sleep – and for some, the sleep trackers meant to help may be making it worse, a phenomenon researchers call orthosomnia. Healthline’s Editor-in-Chief Robin Hough shares why he’s taking the data, leaving the anxiety, and still setting his alarm for a very insistent 8-year-old. As a busy, sleep-deprived, middle-aged father of two young kids, including an irrepressible 8 year old ball of energy who is, without fail, up and ready to take on the world at 6 o’clock every morning (usually with a steady stream of questions about dinosaurs, the natural world and the origins of the universe in his back pocket), do I really need another set of headlines informing me that not only am I falling short in getting the requisite 40 winks a night but I’m also at risk of 83 diseases into the bargain? Apparently, I do. Another day, another headline-grabbing sleep study lands, this time linking a greater amount of sleep – specifically sleep of the rapid eye movement (REM) variety, also known as dream sleep – to a lower risk of dozens of diseases. What a 95,000-Person Study Reveals About Sleep The recent study published in PLOS Medicine found that REM sleep is linked to a lower risk of 83 diseases, including dementia, Parkinson’s, and multiple sclerosis (MS). As an added bonus, the study also found that a higher amount of deep sleep was associated with a lower risk of seven health conditions, including depression and type 2 diabetes. So far, so alarming for a self-confessed “bad sleeper”. Yet also fairly unsurprising. The accepted science, combined with anecdotal experience, has long told us that the right amount

healthline.com

Wall Squats, Planks Once a Week May Help Lower Your Blood Pressure

Performing isometric exercises like wall squats and planks just a few times per week may help lower blood pressure. VioletaStoimenova/E+/Getty Images Just one or two isometric exercise sessions per week may help lower blood pressure in the short term, according to a new study. Performing isometric exercises, such as wall squats and planks, three times a week may provide long-term benefits. Experts say people beginning an isometric exercise program should start slowly and build up their routine over time. Isometric exercises, even if done only occasionally, could help improve blood pressure, according to a new study. Researchers report that study participants who did these types of exercises once or twice a week saw reductions in blood pressure over a short period. They added that participants who engaged in isometric exercises three times a week maintained improvements in blood pressure over a longer period. The researchers said that previous studies had indicated that isometric exercise training reduces blood pressure more than other forms of exercise and even some drug treatments. However, they said previous research had not established how often isometric exercise training needs to be performed to maintain these health benefits. Isometric exercises involve a person holding a pose for a few minutes at a time. Examples include wall squats and floor planks. The researchers said their study provides important information for people who don’t have time to exercise daily. The researchers wrote that the study “offers evidence that lower frequency [isometric exercise training] can help maintain short-term [blood pressure] reductions, providing a pragmatic option for individuals with limited time or adherence challenges.” They published their findings on September 29 in BMJ Open Sport and Exercise Medicine. Experts not involved in the research said it provides helpful guidance for people who want to improve their blood pressure. “The main takeaway is that you don’t need t

healthline.com

8-Hour Time-Restricted Eating Window May Lead to Greater Weight Loss

Research shows that an 8-hour eating window may lead to greater weight loss than other time-restricted eating patterns. FreshSplash · E+/Getty An 8-hour eating window was linked to greater weight loss than a 12-hour window or no time restriction, but not significantly more than a 10-hour window. Time-restricted eating (TRE) is a form of intermittent fasting that limits eating to a set number of hours each day without necessarily restricting calories. Shorter eating windows were linked to modest weight loss, but researchers found limited effects on blood pressure, blood sugar, and cholesterol. Limiting your eating to an 8-hour window may result in more weight loss than a 12-hour window, according to a new study published in the journal Nutrition & Diabetes on September 12. Time-restricted eating (TRE) is a form of intermittent fasting that limits eating to a set daily window, such as 8, 10, or 12 hours, without necessarily changing what you eat. The eating window is followed by fasting for the remaining hours. Common approaches include 16:8, which involves 16 hours of fasting and 8 hours of eating, and early TRE, which involves eating earlier in the day. Shorter eating window linked to modest weight loss The researchers used data from 124 adults across five TRE trials lasting between 3 and 6 months. At baseline, participants had an average eating window of about 15 hours and at least one component of metabolic syndrome. Their food and beverage intake was tracked using an app. Participants were assigned either to a TRE group or to the control group. The control group participants maintained their habitual intake, received nutritional counseling, or were given guidance on healthy eating. Those in the TRE group limited their eating windows to 8, 10, or 12 hours, with no restrictions on dietary quality or energy intake. After 3–6 months, the researchers found that participants assigned to an 8-hour eating window lost about 3.7 pounds (1.7 kg) more than those assigned to

healthline.com

Aerobic Exercise May Improve Brain Health in Postmenopausal Women

Research shows that aerobic exercise may improve cognitive function in postmenopausal females. adamkaz · E+/Getty Regular aerobic exercise can significantly improve thinking skills like planning and decision making in postmenopausal women, according to recent research. The greatest cognitive benefits were observed in those who engaged in 45 minutes of moderate aerobic activity four times per week. With two-thirds of Alzheimer’s cases occurring in older women, exercising during and after menopause may influence cognitive resilience. Regular aerobic exercise may help postmenopausal women strengthen executive function, according to new research. The study, published in the Journal of Alzheimer’s Disease on August 1, suggests that cognitive benefits may appear within 3 to 6 months. This highlights that exercise can be a practical strategy for preserving brain health after menopause. Brain health strategies are crucial during and after menopause, with two-thirds of cases of Alzheimer’s disease occurring in women. Menopause can influence cognitive decline, as well as resilience. Dung Trinh, MD, a physician at MemorialCare Medical Group and Chief Medical Officer of Healthy Brain Clinic in Irvine, CA, who wasn’t involved in the study, said the findings are encouraging, but noted some limitations. “This was a secondary analysis of a relatively small study, so I would view it as important evidence that deserves confirmation rather than as definitive proof,” he told Healthline. Aerobic exercise improves executive function after menopause The study included 93 cognitively healthy females ages 20 to 67, 43% of whom were postmenopausal. Each participant had below-average cardiorespiratory fitness and didn’t exercise regularly. The participants were randomly assigned to groups for either a 6-month aerobic exercise program or a stretching-and-toning program. The greatest cognitive benefits were seen in individuals who engaged in 45 minutes of aerobic activity four times a week, who

healthline.com

Microdosing GLP-1s Like Wegovy, Zepbound May Still Lead to Weight Loss

Research shows that microdosing GLP-1 medications may still lead to weight loss. Tatsiana Volkava · Moment/Getty Recent research suggests that people may still lose weight while staying on the lowest starting doses of GLP-1 medications, such as Wegovy or Zepbound, for longer periods. After one year, people taking sustained low dose tirzepatide lost about 5.5% of their body weight, while those taking sustained low dose semaglutide lost about 2.2%. Lower doses were associated with more modest weight loss than higher doses, but sustained low dose semaglutide was also associated with lower rates of some side effects. People may still be able to experience weight loss by staying on lower starting doses of GLP-1 medications, such as Wegovy or Zepbound, for longer, according to research published in Biology Methods & Protocols on August 31. Staying on lower doses of GLP-1 medications for longer may overlap with a practice commonly referred to as “microdosing,” which has become a trend among celebrities and on social media. However, the study did not establish that participants were intentionally microdosing, and using these medications outside their approved dosing schedules is not FDA- or manufacturer-approved. Microdosing GLP-1s may still aid in weight loss The study included electronic health records from 814 individuals who met the criteria for sustained low dose semaglutide (Ozempic, Wegovy), defined as at least three 0.25 mg doses spanning at least six months. It also included 1,016 individuals who met the criteria for sustained low dose tirzepatide (Mounjaro, Zepbound), defined as 2.5 mg doses spanning at least six months. They found that those taking sustained low dose tirzepatide for one year saw around a 5.5% weight loss, while those taking sustained low dose semaglutide for the same period saw around a 2.2% weight loss. The researchers also compared weight loss trajectories between those taking low dose and high dose semaglutide. After matching participants base

healthline.com

Why Your Morning Coffee May Boost Your Mood Before You Even Take a Sip

The aroma of cofee may help boost your mood, according to recent research. Busakorn Pongparnit · Moment/Getty The aroma of coffee may help improve mood and reduce feelings of stress, according to a small study of healthy young adults. Smelling coffee was linked to reductions in tension, fatigue, confusion, and other negative mood measures, although researchers found no significant changes in heart rate. The benefits may be linked more to expectations and conditioned responses than to direct physiological changes, and more research is needed to understand the effects. The rich, tempting aroma of coffee may be benefiting your mood more than you thought. According to a small study published in Nutrients on September 9, coffee aroma may help you manage stress and boost your mood. While the researchers noted that these benefits may be linked more to conditioned responses and expectations than to physiological changes, this research also suggests that smelling coffee may help improve alertness, even without that hit of caffeine. Rod Mitchell, registered psychologist with Emotions Therapy Calgary, who was not involved in the study, explained to Healthline that, “smell is wired more directly into the emotional brain than other senses. “I think the bigger factor is learning — ordinary conditioning. A regular coffee drinker has paired the coffee aroma with a break, warmth, and relief thousands of times, so the smell alone starts the settling the body has been trained to expect,” he said. However, while the new research suggests that the aroma of coffee may offer benefits for stress management, it shouldn’t replace professional treatment for anxiety disorders. How does the aroma of coffee affect your mood? The researchers used a group of 20 healthy adults, ages 20–29, for the study. Psychological and physiological measurements were taken from each participant both before and after a brief exposure to the aroma of coffee. Each experiment included freshly brewed coffee placed ar

healthline.com

GLP-1 Drugs Like Zepbound Effectively Treat Sleep Apnea Alongside CPAP

A new review found that GLP-1s offer significant improvements in obstructive sleep apnea associated with obesity. vitapix/E+/Getty Images New research has found that GLP-1 drugs may improve obstructive sleep apnea (OSA) related to obesity. The effects of tirzepatide (Zepound), which is FDA approved for OSA, were especially notable. GLP-1s appear to improve OSA associated with obesity by promoting fat loss in the neck, throat, and tongue. CPAP therapy should be continued until a physician has confirmed remission with a sleep study. GLP-1 medications prescribed for weight loss, such as Zepbound and Wegovy, show promise for easing symptoms associated with sleep apnea. A new research review published in JAMA Otolaryngology on September 3 found that glucagon-like peptide-1 (GLP-1) receptor agonists may offer significant improvement in obstructive sleep apnea (OSA) related to obesity. The effects were especially true for tirzepatide (Zepbound, Mounjaro), which also acts on glucose-dependent insulinotropic polypeptide (GIP) receptors. Zepbound is already approved by the Food and Drug Administration (FDA) to help treat sleep apnea. The National Council on Aging explains that OSA occurs when the muscles and tissues within the throat relax during sleep, blocking the airway. While CPAP machines are the standard treatment for this condition, weight loss is often recommended as well since it can reduce fat in the neck and tongue, helping to keep the airway open. The authors of the review found that in one of the trials studied, weight loss with tirzepatide reduced the number of breathing interruptions, as measured by the apnea-hypopnea index (AHI), by approximately 20–24 per hour, when compared with placebo. Additionally, up to half of the participants achieved full remission of their symptoms. The researchers did note, however, that CPAP remained the superior treatment. Existing research on GLP-1s and sleep apnea For this review of studies, the research team examined several sc

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Why Owl Post covers Health & Fitness

Are You Eating Enough Whole Grains to Lower Your Heart Disease Risk?

Wellness Apps, Medically Tailored Meals Help Slow Weight Gain After GLP-1s

Pain Prevalence Higher in Women, Increases Most Rapidly Before 55

Letter From the Editor-in-Chief: Is Worrying About Sleep Keeping Us Awake?

Wall Squats, Planks Once a Week May Help Lower Your Blood Pressure

8-Hour Time-Restricted Eating Window May Lead to Greater Weight Loss

Aerobic Exercise May Improve Brain Health in Postmenopausal Women

Microdosing GLP-1s Like Wegovy, Zepbound May Still Lead to Weight Loss

Why Your Morning Coffee May Boost Your Mood Before You Even Take a Sip

GLP-1 Drugs Like Zepbound Effectively Treat Sleep Apnea Alongside CPAP

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