(HealthDay News) -- Driving on wet, slick roads can be an accident waiting to happen.

(HealthDay News) -- A heavy backpack can lead to pain and injury when a child doesn't wear it properly.

MONDAY, Aug. 16 (HealthDay News) -- Women who eat a lot of red meat may be increasing their risk of developing heart disease, Harvard researchers report.

MONDAY, Aug. 16 (HealthDay News) -- Providing home care to elderly people after they've had hip surgery improves their chances of survival, finds a new study.

MONDAY, Aug. 16 (HealthDay News) -- Hostile people, especially those who are manipulative and aggressive, may be paying a price in terms of heart health, a new study finds.

MONDAY, Aug. 16 (HealthDay News) -- Folks with Internet connections are more likely to be in a romantic relationship than folks without access to the Web, a new study shows.

MONDAY, Aug. 16 (HealthDay News) -- While some research suggests that the incidence of childhood obesity may be leveling off, a new study finds that for certain racial groups the rates may actually be getting higher.

MONDAY, Aug. 16 (HealthDay News) -- A pet's status in a family may be influenced by where the owners live, new research suggests.

MONDAY, Aug. 16 (HealthDay News) -- Firefighters may face a heightened risk for heart disease as a result of breathing in extremely fine particles that infiltrate the smallest air passages and lodge in their lungs, new research indicates.

MONDAY, Aug. 16 (HealthDay News) -- The very design of laptop computers encourages bad posture among college students and other heavy users, which can lead to headaches, muscle strain and debilitating neck, shoulder and hand injuries, researchers caution.

MONDAY, Aug. 16 (HealthDay News) -- Boys and girls who grow up without siblings are no less capable of developing good social skills than those raised with brothers and sisters, new research indicates.

MONDAY, Aug. 16 (HealthDay News) -- People with red hair are at higher risk for a recurrence of basal cell carcinoma, the most common form of skin cancer, researchers report.

MONDAY, Aug. 16 (HealthDay News) -- A new study finds that men are more likely to cheat if their income is much lower than what their wife or female partner makes, while women are more likely to fool around if they make more than their husband or male partner.

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

MONDAY, Aug. 16 (HealthDay News) -- The ella emergency contraceptive has been approved by the U.S. Food and Drug Administration. It's been available in Europe for more than a year under the brand name ellaOne.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

MONDAY, Aug. 16 (HealthDay News) -- The massive BP oil spill in the Gulf of Mexico still poses a health threat to clean-up workers, fishermen and members of coastal communities, according to a group of researchers who have examined the area.

MONDAY, Aug. 16 (HealthDay News) -- Bariatric weight-loss surgery in obese people with type 2 diabetes can have an unexpected, yet positive side effect -- nearly 3 out of 4 patients in one study were able to stop taking their insulin and other diabetes medications within six months of surgery.

MONDAY, Aug. 16 (HealthDay News) -- Eating a small amount of high-quality dark chocolate one to three times a month may help stave off heart failure in women, a new Harvard study suggests.