(HealthDay News) -- Antibiotic resistance occurs when bacteria change in some way to survive despite a person's use of an antibiotic.

(HealthDay News) -- The common cold is caused by a virus, which means it shouldn't be treated with an antibiotic. But there are things you can do to feel better.

FRIDAY, Jan. 11 (HealthDay News) -- Women should wait at least one year after having weight-loss surgery before they try to get pregnant, researchers say.

THURSDAY, Jan. 10 (HealthDay News) -- Too often, patients with a relatively rare genetic disorder called tuberous sclerosis undergo unnecessary surgical removal of a kidney, experts say.

FRIDAY, Jan. 11 (HealthDay News) -- Treating aggressive brain tumors called glioblastomas with smaller, more focused areas of radiation does not increase the likelihood of tumor recurrence, a new study finds.

FRIDAY, Jan. 11 (HealthDay News) -- Human hearts continue to generate new cells after birth, a finding that could lead to new ways to treat heart problems, researchers say.

FRIDAY, Jan. 11 (HealthDay News) -- Flu season is especially bad in the United States this year, and young children with the flu tend to suffer more than others because they can't take over-the-counter medications to help relieve their symptoms.

FRIDAY, Jan. 11 (HealthDay News) -- Nearly 70 percent of children with autism suffer emotional trauma as a result of bullying, according to a new study.

FRIDAY, Jan. 11 (HealthDay News) -- Here's yet another reason to get hitched and stay hitched: New research suggests that being single during midlife appears to raise the risk for premature death.

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

FRIDAY, Jan. 11 (HealthDay News) -- New recommendations from the American Cancer Society say that older current or former heavy smokers may want to consider low-dose CT scans to help screen for lung cancer.

FRIDAY, Jan. 11 (HealthDay News) -- Students, get out those flash cards: A new study finds that they may be a better study option than some of the more popular methods -- such as highlighting or rereading material.