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There are natural substances that can partially block the tendency to form blood clots, but few are both safe enough to use and powerful enough to reduce the risk of a person with a blood disorder

The effect of coffee (and caffeine) on the bones is complex, and there have been different studies with different conclusions

Dear Dr. Roach: How do you diagnose bipolar disorder? Do you need a blood test, or can it be diagnosed by a person鈥檚 actions? A.Y.

Dear Dr. Roach: Four years ago, my wife had hip surgery caused by a fall. About eight months after the surgery, she noticed her left leg was three inches shorter that her right one.

Dear Dr. Roach: I am concerned that my 33-year-old daughter will have breast cancer. I have no history in my family of breast cancer, but my husband鈥檚 grandmother, mother and sister all have had breast cancer with double mastectomies.

A small number of people have rhabdomyolysis due to a genetic condition involving the muscle

Osteonecrosis of the jaw is a serious condition involving poor blood flow that results in death of the bone cells in the jaw

Documenting travel history and contact with other people or environments where a parasite may be picked up is paramount, as is a careful skin exam

Dear Dr. Roach: I am an organ transplant recipient who has received both COVID vaccinations and both boosters.