Caffeine is one of the most widely used performance-enhancing supplements in sports. Despite its established benefits, how long they persist and how physiological responses change over that period remain unclear.
Sep 28, 2026
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93
Sitting through an 8-year-old's shaky rendition of Christian Petzold's "Minuet in G" may be music to a proud parent's ear. To everyone else at the recital, it might not sound like encore material. Behind those wobbly notes, ...
Sep 28, 2026
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39
Adults with hard-to-treat epilepsy who used cannabis most days had more than twice as many convulsive seizures per year and became resistant to antiseizure medications more quickly than nonusers, according to new research ...
Sep 28, 2026
1
14
Delivering focused radiation therapy over three to five sessions after surgery for a large brain metastasis reduced the risk of cancer returning at the surgical site compared with delivering the radiation in a single session, ...
Sep 28, 2026
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8
Cannabis use is becoming increasingly common among older adults in the United States, but less is known about how often it becomes problematic in this population.
Sep 28, 2026
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19
Greater variation in blood pressure between research visits was associated with a higher risk of death in a study of more than 57,000 UK Biobank participants. Variation in some blood pressure measures was also associated ...
Sep 28, 2026
1
385
The rising number of people with mental health disorders is sounding public health alarm bells worldwide. Anxiety, depression and substance use disorders have become some of the leading causes of illness worldwide. While ...
Reductions in blood pressure may be maintained over the short term with just one or two sessions of isometric exercise training a week, research published online in the journal BMJ Open Sport & Exercise Medicine suggests.
Sep 29, 2026
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237
People with evening chronotypes are 1.7 times as likely as morning chronotypes to retire early and receive a disability pension, according to research published online in the journal Occupational & Environmental Medicine.
Sep 29, 2026
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1302
Our muscles are built from bundles of fibers. Some are fast-twitch, tuned for quick, powerful bursts of effort but quick to tire. Others are slow-twitch, built for endurance and packed with more mitochondria, the structures ...
Sep 29, 2026
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54
Surgery to remove lymph nodes in the neck may interfere with cerebrospinal fluid (CSF) drainage from the brain, contributing to cognitive impairment, according to new multicenter research led by Weill Cornell Medicine scientists.
Sep 29, 2026
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12
Dr. Kevin Kemp and his research team at the University of Bristol have converted the high-risk Alzheimer's gene APOE4 into the lower-risk APOE3 gene.
Sep 29, 2026
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12
One in three breast cancer survivors will experience cognitive problems, which can include difficulties with attention, memory, processing speed and other aspects of thinking. Researchers believe these problems can arise ...
Sep 29, 2026
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49
For millions of people living with metabolic dysfunction-associated steatohepatitis (MASH), treatment options remain limited. The progressive form of fatty liver disease develops when excess fat accumulates in the liver, ...
Sep 29, 2026
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701
Omega fatty acids have long been recognized for their benefits: supporting cardiovascular health, reducing systemic inflammation, and promoting brain development and cognitive function. But scientists now warn of a long-unrecognized ...
Nail detachment is more than four times as common among people taking GLP-1 receptor agonists as among comparable people with obesity or type 2 diabetes who are not taking the drugs, according to the first controlled study ...
Sep 30, 2026
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1273
A new study by researchers at City of Hope suggests eating less sugar could protect the microbiome during antibiotic treatment. The study followed patients with blood cancer undergoing an intensive treatment called allogeneic ...
Sep 30, 2026
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39
A new study from the University of Missouri offers hope for those who are at significantly higher risk of developing Alzheimer's disease later in life.
Sep 30, 2026
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38
Children ages 3 and 4 take a median of 18,542 steps a day, but their daily step counts vary widely, according to the first international reference values for daily step counts in preschool-age children, published in the journal ...
Sep 30, 2026
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37
Many family physicians care for women throughout their lives, yet little is known about the menopause education they receive during training. A new study suggests that, although menopause education is broadly incorporated ...
Sep 30, 2026
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3
A healthy, balanced dietary pattern, rather than one focused on individual nutrients or foods, is key to maintaining heart health, according to a scientific statement issued by the American College of Cardiology and published ...
Sep 30, 2026
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20
People who live long enough have a high chance of losing some of their hearing as they grow older. By age 60, about one in three adults has presbycusis, an age-related decline in hearing caused by changes inside the ear, ...
Obsessive–compulsive disorder (OCD) is a psychiatric condition characterized by recurrent obsessions, or unwanted thoughts, typically accompanied by repeated actions that seem difficult to control, also known as compulsions. ...
More than a decade of work by two University of Wisconsin-Stout Polytechnic faculty members and their student researchers has led to a newly patented process that allows for the easy detection of an amino acid linked to multiple ...
Oct 1, 2026
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8
Take a walk down the street, and you'll see that most people are holding a smartphone. From older people to toddlers, screens have taken over much of our lives. While younger children have some adult supervision over how ...
Both normal aging and Alzheimer's change how different brain regions communicate with each other. But a new study from Lund University reveals that these alterations follow distinct patterns, with disease-related shifts distinguishable ...
Oct 1, 2026
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30
Roughly 1 million people in Germany are receiving treatment for chronic wounds caused by conditions ranging from circulatory disorders and pressure ulcers to diabetes-related foot problems. Treatment costs total some 7.5 ...
Oct 1, 2026
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4
Puzzles, brain-training games and hobbies have long been said to stave off cognitive decline. But while some research has shown that intensive brain-training programs done over several weeks can reduce cognitive impairment, ...
Oct 1, 2026
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31
Details of a new injection that targets fat cells will be released at the annual meeting of the European Association for the Study of Diabetes (EASD) in Milan, Italy (Sept. 28–Oct. 2). Studies show that the new drug, CBL-514, ...
Oct 2, 2026
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2905
For the first time, Northwestern scientists have identified a set of neurons that play a role in generating anxiety after exposure to cannabinoid drugs, especially under stressful conditions. Cannabinoids are a class of substances ...
Oct 2, 2026
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256
A simple urine test devised by researchers at Stanford Medicine and the VA Palo Alto Health Care System can diagnose bladder cancer more accurately than current standard methods. The test also allows physicians not only to ...
Oct 2, 2026
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29
Salt can make or break a dish. A little too much or too little can throw everything off, leaving even the most luxurious ingredients tasting off. But get the balance right, and salt can bring out the flavor in even the simplest ...
Are you logical, detail-oriented or good with numbers? You must be "left-brained." Creative, artistic and intuitive? You must be "right-brained." Personality quizzes and career advice passed down through generations have ...
Oct 2, 2026
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5
Pharmacies across the United States continue to close at a rapid rate, leaving millions of Americans in "pharmacy deserts," where they lack convenient and reasonable access to the care these community health hubs provide. ...
Oct 2, 2026
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9
Seaweed piling up on a beach might look harmless, but as it begins to rot, it can release gases that are toxic to people.
Oct 2, 2026
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6
Florida's current dengue outbreak appears to be the largest in several decades in the continental United States.
Oct 3, 2026
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30
Major depressive disorder (MDD) is a common mental health condition primarily characterized by persistent low mood or loss of interest in daily activities. While several medications are available to treat depression, finding ...
A caulking gun filled with silicone compound is set to enable doctors and nurses in the future to seal even deep wounds caused by blast injuries—thereby preventing amputations and reducing mortality among patients with severe ...
Oct 3, 2026
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9
The Food and Drug Administration said Friday that its inspectors detected cyclospora at the Mexican farm blamed for the largest foodborne illness outbreak of the parasite in U.S. history.
Oct 3, 2026
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17
Treatment for obsessive-compulsive disorder (OCD), a mental health condition characterized by distressing, uncontrollable thoughts and repetitive behaviors, has centered on psychotherapy and medication to curb symptoms. New ...
Oct 3, 2026
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181
Researchers at Upstate Medical University have identified a key mechanism that helps determine the length of myelin, the protective coating that surrounds many nerve fibers and allows signals to travel efficiently through ...
Oct 3, 2026
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85
A recent BBC report described women posing as men to obtain testosterone gel, hoping to improve their menopause symptoms because female testosterone products are not easily available to them. But why is the appetite for this ...
Oct 3, 2026
0
20
Providing people with nutritious foods can improve the management of chronic metabolic diseases such as type 2 diabetes and hypertension. However, most studies of "Food Is Medicine" programs have only looked at their short-term ...
Oct 4, 2026
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77
In neurodegenerative diseases such as Alzheimer's disease, progressive neuronal damage is associated with the accumulation of abnormal tau filaments in the brain. The core of these filaments forms a highly ordered structure, ...
Oct 4, 2026
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22
Physicians typically use either a higher dose of cisplatin given every three weeks or a lower dose given weekly in combination with radiation to treat locally advanced head and neck cancer. However, before NRG-HN009, there ...
Oct 4, 2026
0
9
For millions of people at risk of glaucoma, healthy eye pressure can mean the difference between preserving vision and losing it. Yet despite decades of research, scientists still do not fully understand what regulates daily ...
Oct 4, 2026
0
54
Cognitive flexibility, the ability to adjust one's way of thinking or behavior as a situation changes, is known to gradually decline with age or due to some conditions, including Alzheimer's disease, Parkinson's disease, ...
The angiopoietin-Tie signaling pathway has long been known to be essential for the maturation and maintenance of healthy blood vessels. It stabilizes the vessel wall and regulates vascular growth during development. At the ...
Oct 4, 2026
0
16
Inflammatory conditions in the brain, including traumatic brain injury and degenerative diseases like Alzheimer's, could be targeted with an existing drug thanks to new research that shows it can work in brain cells.
Oct 4, 2026
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