(HealthDay News) -- Sports should be fun for kids, but a competitive atmosphere can ruin the enjoyment.

(HealthDay News) -- Many women develop leg cramps while they're pregnant.

MONDAY, Dec. 12 (HealthDay News) -- Acupuncture may help relieve nerve pain caused by some cancer drugs, according to a new study.

MONDAY, Dec. 12 (HealthDay News) -- Breast reconstruction is safe for older breast cancer patients who've had a mastectomy, according to a new study.

SATURDAY, Dec. 10 (HealthDay News) -- Giving low-dose aspirin to patients after they've received stronger blood thinners for dangerous clots in the lungs could cut their odds of redeveloping the clots, a new study finds.

MONDAY, Dec. 12 (HealthDay News) -- Breast cancer survivors can experience memory and concentration problems several years after treatment with radiation and/or chemotherapy, a new study says.

MONDAY, Dec. 12 (HealthDay News) -- Cancer patients receiving chemotherapy most often develop blood clots after they are discharged from the hospital, according to a large new study.

MONDAY, Dec. 12 (HealthDay News) -- An advisory panel to the U.S. Food and Drug Administration on Friday said that the Ortho Evra birth control patch carries a higher risk of blood clots for women compared to older methods, but should not be taken off drug store shelves.

SATURDAY, Dec. 10 (HealthDay News) -- A single treatment of gene therapy dramatically improved symptoms and quality of life in a small group of men with hemophilia B, an uncommon form of the bleeding disorder, a new study suggests.

MONDAY, Dec. 12 (HealthDay News) -- Drinking too much alcohol can lead to unsafe sex, a new study confirms.

MONDAY, Dec. 12 (HealthDay News) -- When she was born prematurely in 1989, weighing less than two-thirds of a pound, Madeline Mann was the world's smallest surviving baby.

SUNDAY, Dec. 11 (HealthDay News) -- A drug called hydroxyurea that's approved for use in adults with severe sickle cell anemia can also help young children with the disease, new research suggests.

SUNDAY, Dec. 11 (HealthDay News) -- A study assessing intravenous infusion of the drug salbutamol in patients with acute respiratory distress syndrome was halted because the treatment did not improve patient outcomes and was associated with an increased risk of death, researchers say.

MONDAY, Dec. 12 (HealthDay News) -- Researchers say they've spotted brain abnormalities that may be linked to dementia in people with Parkinson's disease.

MONDAY, Dec. 12 (HealthDay News) -- Young and middle-aged adults taking drugs for attention deficit-hyperactivity disorder (ADHD) do not seem to face an increased risk for cardiovascular disease, a new study finds.

MONDAY, Dec. 12 (HealthDay News) -- Toddlers with autism show different blink patterns than other children, a finding that researchers say may provide a clue to the way people with autism process what they see.

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

MONDAY, Dec. 12 (HealthDay News) -- Severe side effects may be key to why so many older breast cancer patients stop taking drugs that can help prevent a tumor's return, a new study finds.

MONDAY, Dec. 12 (HealthDay News) -- The poet Emily Dickinson greatly feared the "narrow fellow in the grass," writing that she "never met this fellow/Attended or alone/Without a tighter breathing/And zero at the bone."

MONDAY, Dec. 12 (HealthDay News) -- Children of parents who survived childhood cancer are unlikely to suffer from birth defects, finds a new study that should allay some concerns about long-term effects of treatment.

MONDAY, Dec. 12 (HealthDay News) -- Many older Americans get screened for colon, breast, prostate and cervical cancer even though guidelines recommend against routinely screening the elderly, a new study finds.