Sleep-maintenance insomnia is a common complaint among women at midlife.

You wake up and look at the clock: it's 3 a.m. You tell yourself you've got to get back to sleep, but thoughts about yesterday's troubles, the coming day's challenges, and all those "must-do's" race through your mind. You toss and turn and worry about not getting enough sleep. Maybe you doze off for an hour or so, but when the alarm clock gets you up for the day, you're far from rested.

Insomnia — inability to get the sleep you need to wake up refreshed — is the most ...

Thanks to a host of effective new therapies, patients are enjoying years in remission from this malignant blood cancer.

If there's one disease that most shows the effects of recent improvements in cancer treatment, it's multiple myeloma. Advances in biotechnology have enabled scientists to identify several genetic and chromosomal abnormalities underlying the disease, while fostering the development of more effective and less toxic drugs. Although there's still no cure for myeloma, various treatments are bringing about lengthy remissions, and people who were once given two to three years to live are successfully managing their condition for five to seven years, ...

Bisphosphonates are the main class of drugs prescribed to reduce the risk of fractures in women who have osteoporosis or are at high risk for the disease. Since 2008, several medical journals have published case reports describing atypical fractures across the thighbone (femur) in postmenopausal women taking bisphosphonates for five years or more — usually alendronate (Fosamax), the most commonly prescribed bisphosphonate. These fractures involved little or no trauma and were often preceded by weeks to months of thigh pain. X-rays showed thickening in the bone at the fracture sites.

Since the reports appeared, there's been concern about the long-term ...

Researchers found an association between unequal leg length and a higher likelihood of developing osteoarthritis of the knee.

A Dutch study found that in-home phototherapy treatment for psoriasis was as effective as receiving the treatment in a hospital, and cost about the same.

Q. Is it true that cataracts are made of calcium? Can I do anything to avoid getting a cataract? What about diet?

A. A cataract is a vision-clouding area in the lens of the eye. About half of all people ages 65 to 74, and 70% of those ages 75 and over, develop cataracts, which are the leading cause of blindness worldwide. Fortunately, surgery is safe and effective; in places like the United States, where it's one of the most common operations performed, it leads to improved vision in about 90% of cases.

Cataracts aren't made of calcium but rather ...