(HealthDay News) -- Dry mouth can cause dental health problems, including an increased risk of cavities. And dry mouth is especially common in older adults.

(HealthDay News) -- Toddlers and preschool-aged children still have tiny tummies, so it's important to feed them portion sizes that are appropriate for their age to teach healthy eating habits.

WEDNESDAY, Jan. 2 (HealthDay News) -- Differences in the color of generic drugs increase the risk that patients will stop taking their medication, which can have potentially serious consequences, a new study indicates.

WEDNESDAY, Jan. 2 (HealthDay News) -- After taking a hard hit to the head during a football game, an Indiana high school student suffered severe headaches for the next three days. Following a head CT scan that was normal, his doctor told him to wait to go back on the field until he felt better.

TUESDAY, Jan. 1 (HealthDay News) -- A new international analysis reveals a surprising pattern: while obesity increases the risk of dying early, being slightly overweight reduces it.

WEDNESDAY, Jan. 2 (HealthDay News) -- As NASA sets the stage for increasingly ambitious trips into space, new research highlights a potential hazard for astronauts on long-range missions: Alzheimer's disease.

WEDNESDAY, Jan. 2 (HealthDay News) -- Women who take certain antidepressants while pregnant do not raise the risk of a stillbirth or death of their baby in the first year of life, according to a large new study.

TUESDAY, Jan.1 (HealthDay News) -- New research suggests that fructose, a simple sugar found naturally in fruit and added to many other foods as part of high-fructose corn syrup, does not dampen appetite and may cause people to eat more compared to another simple sugar, glucose.

WEDNESDAY, Jan. 2 (HealthDay News) -- Secretary of State Hillary Clinton remained in a New York hospital on Wednesday, as she continues to be treated for a blood clot in her head.

WEDNESDAY, Jan. 2 (HealthDay News) -- Twenty-one hours after the U.S. Senate did its part to steer the country clear of the so-called fiscal cliff, the House of Representatives settled on an 11th-hour agreement late Tuesday night that averted widespread tax increases and spending cuts that were set to kick in Jan. 1.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay: