A study published July 30, 2026, in the journal Cell by researchers at Rockefeller University reveals a precise molecular mechanism by which a single dietary amino acid — arginine — controls whether ...

HHS opens a $10 million Presidential Fitness Challenge offering schools up to $1 million. See the prize tiers, the Feb. 5 deadline, and what CDC data show. Brigham and Women's Nurses Set Open-Ended ...

Many people brush off frequent illness as stress, weather changes or simply bad luck. A cold that keeps returning, wounds that seem to take forever to heal or a constant feeling of tiredness often ...

Immune cells can reach head and neck tumors, but once there, many stop functioning. This helps explain why immunotherapy with ...

Since things have been a bit complicated lately, today I, an infectious disease specialist, am going to relax and have a ...

Will COVID-19 vaccines work if I have a weak immune system? Probably not as well as they do in healthy people, but the shots should offer some protection. It’s why vaccinations are still recommended ...

The Centers for Disease Control and Prevention on Friday urged people with weak immune systems to take extra precautions to avoid Covid after the dominant omicron subvariants knocked out a key ...

When we talk about gut health, the conversation usually centers around the microbiome itself, which foods feed beneficial ...

NEW YORK, May 23 (UPI) --It may not be the mythical fountain of youth, but the strength of the body's immune system could hold the key to a healthy, long life, experts told UPI. The concept of ...