Tick bite ER visits rise as patients question testing costs

Five-minute walk offsets the harm of sitting too long

Prostate cancer blood test detects twice as many cases

A new blood test could double early detection of aggressive prostate cancer, reshaping screening standards.

Younger Adults May Be Aging Faster Than Previous Generations

Researchers explore immunotherapy to revive natural hair color

Prime-and-pull vaccine may offer lasting genital herpes protection

A new vaccine strategy could rewrite the fight against genital herpes—here’s how it works and why it’s sparking hope.

Vitamin D and calcium supplements may not protect against bone fractures, large new study suggests

Decades of bone-health advice may be overstated as new study challenges vitamin D/calcium supplement efficacy