Young Women Are Using A.D.H.D. Drugs in Greater Numbers, C.D.C. Reports

Since 2003, the percentage of women filling prescriptions for drugs like Ritalin has increased nearly fivefold in some age groups.

Already ‘Moderately Severe,’ Flu Season in U.S. Could Get Worse

Fears of “Killer Aussie Flu” may be exaggerated, but this year’s predominant strain is the most dangerous, and the vaccine is a poor match for it.

E. Coli Deaths Linked to Romaine Lettuce, Officials Say

Officials in Canada blamed the leafy green, but their American counterparts are still investigating the cause of an outbreak in the United States.

The New Old Age: No Excuses, People: Get the New Shingles Vaccine

Shingrix, which begins shipping this month, is far more effective than the previous shingles shot. Experts recommend it for everyone over age 50.