Nearly all chemo medicines suppress the bone marrow. And that, in turn, causes a reduction in the number of blood cells. This raises the risk for anemia, infection, bleeding, and bruising. Here's what you need to know.

Laser therapy can be used to cut a very tiny area to remove very small cancers without damaging surrounding tissue. Lasers also are used to apply heat to tumors to shrink them. They are sometimes used with medicines that are activated by laser light to kill cancer cells.

With some cancers, people are given hormone therapy as soon as cancer is diagnosed, before any other treatment. It may shrink a tumor, or it may halt the advance of the disease. In some cancers, such as prostate cancer, hormone therapy helps ease the painful and distressing symptoms of advanced disease.

Hypermetabolism can happen with some cancers. This condition affects how the body uses proteins, fats, and carbohydrates, and you may need to increase your calorie and protein intake. Discuss this with your healthcare provider or registered dietitian.

Biofeedback is a method used to improve health by controlling certain body processes that normally happen involuntarily. It does not appear to affect cancer cells, but it has helped patients reduce severity and occurrence of headaches and chronic pain.

Detailed information on mouth infections, including the oral herpes simplex virus infection.

Gallstones are lumps of solid material that form in your gallbladder. They are made when the digestive juice called bile gets hard and stone-like. Gallstones can be as small as a grain of sand or as big as a golf ball. Your gallbladder may form 1 large stone, hundreds of tiny stones, or both sizes at the same time.

Detailed information on the most common health concerns for men, including male breast cancer, gynecomastia, colorectal cancer, erectile dysfunction (impotence), hair loss, heart attack, high blood pressure (hypertension), insomnia, low back pain, inferti