TUESDAY, Jan. 18 (HealthDay News) -- Seniors who want to remain in their homes despite illness and infirmity can get a high-tech assist these days.

(HealthDay News) -- Icy snow, wind and frigid temperatures are frequently in nature's plans for winter.

(HealthDay News) -- Stress can bring you down emotionally, and it can also take a toll on your physical health.

TUESDAY, Jan. 18 (HealthDay News) -- In a study finding that may not surprise the families of problem drinkers, drinking can have a strong negative impact on how long it takes someone to get married and how long the marriage will survive.

TUESDAY, Jan. 18 (HealthDay News) -- Genetics appear to play a role in teens' use of heavy drinking to cope with negative feelings, a new study suggests.

TUESDAY, Jan. 18 (HealthDay News) -- Kidneys from live donors that are transported across town or across the country are as safe to use in transplants as a kidney from a donor in the same hospital as the recipient, says a new study.

TUESDAY, Jan. 18 (HealthDay News) -- Women with polycystic ovary syndrome (PCOS) appear to be more vulnerable to a chemical found in many consumer products than other women, a new study suggests.

TUESDAY, Jan. 18 (HealthDay News) -- Women should be made aware of the potential downsides of breast cancer screenings, a team of Dutch doctors urges, because false-positive results can prompt anxiety and seriously undermine a patient's quality of life.

TUESDAY, Jan. 18 (HealthDay News) -- Spending hours in front of a TV or computer monitor -- known as "screen time" -- has been linked to signs that the heart needs longer to recover from exercise, an indication of poor heart health.

TUESDAY, Jan. 18 (HealthDay News) -- Stringent mental health screening before deployment appeared to reduce the rate of psychiatric and behavioral problems among U.S. Army soldiers in Iraq by 78 percent, a new study has found.

TUESDAY, Jan. 18 (HealthDay News) -- Preliminary research and reports from patients suggest that a controversial treatment for multiple sclerosis can help relieve fatigue and other symptoms, but many physicians remain highly skeptical of the claims.

TUESDAY, Jan. 18 (HealthDay News) -- A new study finds that as many as one in 16 U.S. surgeons harbored suicidal thoughts in the previous year, but few sought help from a mental-health professional.

TUESDAY, Jan. 18 (HealthDay News) -- Seeing a character in a movie light up a cigarette triggers smokers' brains to plan the same motions, new research shows.

TUESDAY, Jan. 18 (HealthDay News) -- Stents, already used to open clogged heart arteries, might have another use: clearing arterial blockages in the brain after traditional stroke treatments fail.

TUESDAY, Jan. 18 (HealthDay News) -- As the final round of the NFL playoffs approaches this weekend, consider this sobering fact from a new study: One in every 12 fans leaving major sporting events is intoxicated.

TUESDAY, Jan. 18 (HealthDay News) -- Researchers report promising results for a scanning test that aims to reveal the presence of Alzheimer's disease, potentially allowing doctors to try to treat the illness in its early stages. Another study finds that blood tests could indicate higher risks of dementia later in life.

TUESDAY, Jan. 18 (HealthDay News) -- Arizona Congresswoman Gabrielle Giffords continues her remarkable recovery after she was gravely wounded by an assassin's bullet to her brain nine days ago: On Sunday, her doctors upgraded her condition from critical to serious.

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

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

TUESDAY, Jan. 18 (HealthDay News) -- The antidepressant medication escitalopram (brand name Lexapro) reduced the frequency and severity of hot flashes in older women, according to new research.

TUESDAY, Jan. 18 (HealthDay News) -- A genetic test seems able to identify which people with stage II colon cancer face a higher risk of recurrence, German researchers report.

TUESDAY, Jan. 18 (HealthDay News) -- Natroba (spinosad) Topical Suspension 0.9 percent has been approved by the U.S. Food and Drug Administration to treat head lice in people aged 4 years and older.