(HealthDay News) -- Brittle, splitting nails are typically caused by frequently wetting and drying them.

(HealthDay News) -- Your desire for exercise may be waning if you're bored with the same old routine.

SATURDAY, Oct. 13 (HealthDay News) -- Botox injections, long used to smooth away wrinkles, might also soothe chronic neck and shoulder muscle pain, new research suggests.

SATURDAY, Oct. 13 (HealthDay News) -- Language barriers may help explain why Hispanic women in the United States are less likely than white women to receive an epidural for pain relief during childbirth, a new study finds.

MONDAY, Oct. 15 (HealthDay News) -- Being obese promotes the growth of existing tumors regardless of diet, according to a new animal study that may shed light on why obese cancer patients often have worse outcomes than lean patients.

MONDAY, Oct. 15 (HealthDay News) -- A technique called the "mother's kiss" is a safe and effective way to remove foreign objects from the nostrils of young children, according to British researchers.

MONDAY, Oct. 15 (HealthDay News) -- A new study offers more proof that bicycle helmets prevent fatal head injuries.

MONDAY, Oct. 15 (HealthDay News) -- When children can get just a little more sleep each night, their school behavior and alertness levels improve, new research suggests.

MONDAY, Oct. 15 (HealthDay News) -- Young girls who receive a vaccine to protect against the virus that causes cervical cancer do not become sexually promiscuous after the shot, new research finds.

MONDAY, Oct. 15 (HealthDay News) -- Sitting for long periods boosts your risk of diabetes, heart disease and death, even if you work out regularly, a new study contends.

SATURDAY, Oct. 13 (HealthDay News) -- The toll from the meningitis outbreak linked to contaminated steroid injections continues to rise: 15 are now dead and 205 are infected in 14 states, U.S. health officials reported Sunday.

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