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A surprising study suggests vitamin D2 supplements may reduce the body's levels of vitamin D3 -- the more effective form of vitamin D. Researchers found D3 not only boosts vitamin D status more efficiently, but may also play a unique role in helping ...

A new analysis is raising concerns about Wegovy, the blockbuster weight-loss drug, after researchers found it may carry the highest risk of a rare "eye stroke" that can cause sudden vision loss. The study, based on millions of FDA side-effect reports ...

Scientists have created an AI-powered system that can scan and map an entire mouse body in extraordinary detail -- and it just uncovered a surprising new effect of obesity. Beyond disrupting metabolism, obesity appears to damage facial sensory nerves ...

Scientists have identified potentially cancer-causing chemicals hiding in many everyday foods, especially those exposed to high heat cooking methods like grilling, roasting, smoking, and frying. The compounds, known as PAHs, can form during cooking . ...

A new clinical trial suggests that eating beef every day may not be as risky for people with prediabetes as many assume. Researchers found that adults who ate 6-7 ounces of beef daily for a month showed no worsening in blood sugar control, insulin .. ...

Getting enough vitamin B12 to meet current health guidelines may not actually be enough to protect the aging brain. Researchers at UC San Francisco found that older adults with "normal" but lower levels of active B12 showed signs of slower thinking, ...

A surprisingly simple walking tweak may offer new hope for millions living with knee osteoarthritis. In a year-long clinical trial, researchers found that slightly changing the angle of a person's foot while walking reduced knee pain as effectively . ...

Researchers have discovered that the GLP-1 hormone targeted by drugs like Wegovy is present in very low amounts inside the joints of arthritis patients. That finding suggests high-dose GLP-1 medications could potentially reach the joints and ...

Scientists are uncovering a surprising truth about aging cells: some may damage the body, while others help protect it. The discovery is fueling a new wave of precision anti-aging therapies aimed at removing only the harmful "zombie" cells without .. ...

A new theory suggests many age-related diseases may actually start decades before symptoms appear. Researchers say early-life damage -- from infections, injuries, or genetic mutations -- can remain hidden until aging weakens the body's ability to ...