Fitness News

July 18, 2025

Top Headlines

Three-Person DNA IVF Stops Inherited Disease—eight Healthy Babies Born in UK First

July 18, 2025 — In a groundbreaking UK first, eight healthy babies have been born using an IVF technique that includes DNA from three people—two parents and a female donor. The process, known as pronuclear ...

Tai Chi, Yoga, and Jogging Rival Pills for Beating Insomnia

July 17, 2025 — Yoga, Tai Chi, walking, and jogging may be some of the best natural remedies for improving sleep and tackling insomnia, according to a large analysis comparing various treatments. While cognitive behavioral therapy (CBT) remains effective, ...

Weight-Loss Wonder Drug Mounjaro/Zepbound Shrinks Breast Cancer Tumors

July 15, 2025 — A cutting-edge mouse study reveals that tirzepatide, the dual GLP-1/GIP drug already hailed for impressive weight loss, does more than trim fat: it slashes the growth of obesity-linked breast tumors. University of Michigan researchers found mice ...

Semaglutide Melts Fat—but May Quietly Strip Away Your Strength

July 15, 2025 — Semaglutide, a popular anti-obesity drug, may come with a hidden cost: significant muscle loss, especially in women and older adults. A small study found that up to 40% of weight loss from semaglutide comes from lean body mass. Alarmingly, those who ...

Not All Exercise Boosts Mental Health — It’s the Why That Matters Most

July 13, 2025 — Movement helps your mood, but it's not one-size-fits-all. Exercising for fun, with friends, or in enjoyable settings brings greater mental health benefits than simply moving for chores or obligations. Researchers emphasize that context — who ...

Hormone Therapy Supercharges Tirzepatide, Unleashing Major Weight Loss After Menopause

July 13, 2025 — Postmenopausal women struggling with weight loss may find a powerful solution by combining the diabetes drug tirzepatide with menopause hormone therapy. A Mayo Clinic study revealed that this dual ...

Tirzepatide: The Weight-Loss Drug That Also Shrinks Breast Tumors in Mice

July 13, 2025 — In a striking new study, the anti-obesity drug tirzepatide, known as Mounjaro and Zepbound, not only triggered significant weight loss in obese mice but also slashed breast cancer tumor growth. The research, presented at ENDO 2025, links body fat ...

Hate Exercise? Neuroscience Maps the Routine Your Personality Will Love

July 8, 2025 — A new UCL study reveals that aligning workouts with personality boosts fitness and slashes stress—extroverts thrive on HIIT, neurotics favor short, private bursts, and everyone benefits when enjoyment leads the ...

Ultrafast 12-Minute MRI Maps Brain Chemistry to Spot Disease Before Symptoms

July 2, 2025 — Illinois engineers fused ultrafast imaging with smart algorithms to peek at living brain chemistry, turning routine MRIs into metabolic microscopes. The system distinguishes healthy regions, grades ...

Acid-Busting Diet Triggers 13-Pound Weight Loss in Just 16 Weeks

June 26, 2025 — Swap steaks for spinach and you might watch the scale plummet. In a 16-week crossover study, overweight adults who ditched animal products for a low-fat vegan menu saw their bodies become less acidic and dropped an average of 13 pounds—while the ...

Hot Tubs Outperform Saunas in Boosting Blood Flow and Immune Power

June 26, 2025 — Hot tubs don't just feel great, they may actually outperform saunas when it comes to health perks. A study found that soaking in hot water raises core body temperature more than dry or infrared saunas, triggering stronger heart, blood vessel, and ...

How Brain Cells Meant to Help May Be Making Depression Worse

June 24, 2025 — Major depressive disorder affects hundreds of millions worldwide, but a key to understanding its origins may lie in the brain’s immune system. New findings spotlight astrocytes—previously overshadowed by microglia—as major players in ...

Latest Headlines

updated 10:37am EDT

Myth-Busting Study Shows Controversial Seed Oils Reduce Inflammation

June 21, 2025 — A new study is turning heads by challenging the popular belief that seed oils are harmful to health. Researchers analyzed blood markers from nearly 1,900 people and found that higher levels of ...

Fitness Trackers Are Failing Millions — This Fix Could Change Everything

June 20, 2025 — Fitness trackers often fail people with obesity by underestimating their energy burn, leading to discouraging results and misguided health data. A scientist's frustrating experience in an exercise ...

Beyond Ozempic: New Weight Loss Drug Rivals Surgery

June 12, 2025 — Tufts University scientists are aiming to revolutionize the future of weight loss drugs by engineering a new compound that targets four gut hormones instead of the usual one to three. These next-gen ...

This "Healthy" Fat May Secretly Be Fueling Obesity

June 11, 2025 — A popular fat found in olive oil may not be as innocent as it seems. Scientists discovered that oleic acid, a major component of many high-fat foods, uniquely spurs the growth of new fat cells by ...

Ginger Vs. Cancer: Natural Compound Targets Tumor Metabolism

June 10, 2025 — Scientists in Japan have discovered that a natural compound found in a type of ginger called kencur can throw cancer cells into disarray by disrupting how they generate energy. While healthy cells ...

This Overlooked Supplement Could Help You Think Sharper and Age Better

June 10, 2025 — Creatine is gaining recognition far beyond its roots in athletic performance. Once seen as a gym-only supplement, it's now understood to play a vital role in cellular energy, cognitive function, and ...

Why Your Diet Might Be Making You Sad--Especially If You're a Man

June 7, 2025 — New research reveals a surprising downside to calorie-cutting diets: a link to higher levels of depressive symptoms, especially in men and those who are overweight. Despite popular beliefs that ...

Being in Nature Can Help People With Chronic Back Pain Manage Their Condition

June 3, 2025 — Researchers asked patients, some of whom had experienced lower back pain for up to 40 years, if being in nature helped them coped better with their ...

Resetting the Fight-or-Flight Response

May 30, 2025 — The activation of Protein Kinase A (PKA) is a critical part in how the body responds to stress and starvation. Using a variety of imaging and biochemical techniques, a team of researchers has ...

Sustained in the Brain: How Lasting Emotions Arise from Brief Stimuli, in Humans and Mice

May 29, 2025 — Humans and mice share persistent brain-activity patterns in response to adverse sensory experience, scientists find, opening a window to our emotions ...

A High-Fat Diet Sets Off Metabolic Dysfunction in Cells, Leading to Weight Gain

May 28, 2025 — Researchers find high-fat diets set off metabolic dysfunction in cells, leading to weight gain, but these effects can be reversed by treatment with an ...

Timing, Consistency of Activity Linked to Better Fitness

May 28, 2025 — The timing and consistency of your daily activity might be associated with improved cardiorespiratory fitness and walking ...

Location Matters: Belly Fat Compared to Overall Body Fat More Strongly Linked to Psoriasis Risk

May 27, 2025 — Researchers have found that central body fat, especially around the abdomen, is more strongly linked to psoriasis risk than total body fat, particularly in women. This link between central fat and ...

Newfound Mechanism Rewires Cellular Energy Processing for Drastic Weight Loss

May 21, 2025 — Mice genetically engineered to lack the amino acid cysteine, and fed a cysteine-free diet, lost 30 percent of their body weight in a ...

Male Bodybuilders Face High Risk of Sudden Cardiac Death, Especially Those Who Compete Professionally

May 20, 2025 — Sudden cardiac death is responsible for an unusually high proportion of deaths in male bodybuilders worldwide with the highest risk among professional bodybuilders, according to new ...

Eating Craved Foods With Meals Lessens Cravings, Boosts Weight Loss

May 20, 2025 — Small clinical study with obese dieters who had chronic health problems found that eating balanced meals and including craved foods with those meals helped dieters manage cravings, even into the ...

After Cardiac Event, People Who Regularly Sit for Too Long Had Higher Risk of Another Event

May 19, 2025 — People who were less active, with a daily average of more than 14 hours of sedentary behavior, were more than twice as likely to have another cardiac event, including heart attack, surgery to treat ...

Gut Bacteria and Acetate, a Great Combination for Weight Loss

May 19, 2025 — Researchers have discovered a new way to reduce obesity. Supplying the gut with extra acetate reduces fat and liver mass in both normal and obese mice, as long as bacteria of the Bacteroides species ...

Sophisticated Data Analysis Uncovers How City Living Disrupts ADHD's Path to Obesity

May 19, 2025 — A hidden link between impulsivity and obesity may not be fixed in human biology but shaped by the cities we live in. Using a novel engineering-based approach, researchers found that ...

Scientists Discover Key Gene Impacts Liver Energy Storage, Affecting Metabolic Disease Risk

May 16, 2025 — A new study reveals that a single gene plays a big role in how the liver stores energy, a process that's critical for overall health and for managing diseases like type 2 diabetes. The research ...

The Effect of Physical Fitness on Mortality Is Overestimated

May 15, 2025 — That fit people have a reduced risk of premature death from various diseases is a recurring result in many studies. New research shows that people with high fitness levels in their late teens also ...

People With Critical Cardiovascular Disease May Benefit from Palliative Care

May 15, 2025 — Palliative care is specialized medical care focused on easing symptoms, addressing psychological and spiritual needs, and helping patients and caregivers make critical decisions aligned with their ...

Got Data? Breastfeeding Device Measures Babies' Milk Intake in Real Time

May 14, 2025 — New device can give peace of mind and reduce anxiety for breastfeeding moms. It uses bioimpedance, which is currently used to measure body fat, and streams clinical-grade data to a smartphone or ...

New Study Reveals Our Skin's Own Bacteria Can Help Protect Us from the Bad Effects of Sunlight

May 14, 2025 — The skin microbiome plays an important role in health and disease. Researchers have now substantiated that certain skin bacteria can protect us from the sun's ultraviolet (UV) radiation ...

With AI, Researchers Predict the Location of Virtually Any Protein Within a Human Cell

May 13, 2025 — Researchers developed a new machine learning method that, given a relevant amino acid sequence, can automatically predict the location of a protein in any human cell line down to the single-cell ...

May 12, 2025 — Researchers confirm and explore the role of estrogen-related receptors in regulating energy production in muscle cells during exercise. The findings indicate that developing a drug to boost ...

Lower Tackle Height Changing Face of Women's Rugby, Study Says

May 12, 2025 — Lowering the legal tackle height in women's rugby is proving effective in reducing head contacts between players, a new study suggests. Changes to the tackle height law in women's community ...

Removing Ovaries and Fallopian Tubes Linked to Lower Risk of Early Death Among Breast Cancer Patients With BRCA Cancer Genes

May 7, 2025 — Women diagnosed with breast cancer who carry particular BRCA1 and BRCA2 genetic variants are offered surgery to remove the ovaries and fallopian tubes as this dramatically reduces their risk of ...

Exposure to Extreme Heat and Cold Temperature Is Leading to Additional Preventable Deaths, New 19-Year Study Suggests

May 1, 2025 — Urgent action must be taken to reduce the ever-rising number of people killed by extreme temperatures in India, say the authors of a new 19-year study which found that 20,000 people died from ...

Breast Cancer Mortality in Women Ages 20-49 Significantly Dropped Between 2010 and 2020

Apr. 30, 2025 — Breast cancer deaths among women ages 20-49 declined significantly between 2010 and 2020, according to a new ...