TUESDAY, Nov. 29 (HealthDay News) -- A new type of computer simulation can predict whether a pregnant woman will have a difficult childbirth, researchers report.

(HealthDay News) -- Jet lag can leave you feeling too tired to enjoy your new destination, but there are things you can do to help your body prepare.

(HealthDay News) -- Many people define attention-deficit hyperactivity disorder (ADHD) as the inability to stay focused and the tendency to wander in thought and action.

TUESDAY, Nov. 29 (HealthDay News) -- A new report reminds pediatricians that more young babies are sleeping on their backs, raising the risk of temporary head-flattening.

TUESDAY, Nov. 29 (HealthDay News) -- Nearly 40 percent of American seniors who receive medical care from a home health agency take at least one prescription drug that is potentially unsafe or ineffective for them, according to a new study.

TUESDAY, Nov. 29 (HealthDay News) -- When a friend lets them down, girls may take it harder than boys do, a new study suggests.

TUESDAY, Nov. 29 (HealthDay News) -- Differences seen in the structure and function of psychopaths' brains could help explain their often callous and impulsive anti-social behavior, U.S. researchers report.

TUESDAY, Nov. 29 (HealthDay News) -- Men are less willing than women to be screened for cancer, even though men have higher cancer death rates, a new study shows.

TUESDAY, Nov. 29 (HealthDay News) -- Among families with employer-sponsored health care plans, those coping with chronic illness pay more out of their pockets than those without chronic illness, primarily because of higher prescription drug copayments, a new study finds.

TUESDAY, Nov. 29 (HealthDay News) -- Frequent "heading" of soccer balls by avid amateur players may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggests.

TUESDAY, Nov. 29 (HealthDay News) -- Creative thinkers are more likely to cheat than those who are less creative, perhaps because being an original thinker increases a person's ability to rationalize their actions, according to a new study.

TUESDAY, Nov. 29 (HealthDay News) -- Dieters may want to reconsider that mid-morning snack.

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

TUESDAY, Nov. 29 (HealthDay News) -- A new study is challenging the widely held notion that men's minds are preoccupied with one topic: sex.

TUESDAY, Nov. 29 (HealthDay News) -- The nation's top-selling drug, Lipitor, goes generic on Wednesday, and that's good news for patients, experts say.

TUESDAY, Nov. 29 (HealthDay News) -- No matter the material, all types of hip replacement devices appear to work the same, a new analysis finds.

TUESDAY, Nov. 29 (HealthDay News) -- Some 1.2 million Americans are living with HIV, yet only about 28 percent of them have their disease under control, federal health officials report.