A temporary disorder that causes fatigue, insomnia, and other symptoms as a result of rapid air travel across time zones.
Other symptoms of jet lag include anxiety, constipation, diarrhea, confusion, dehydration, headache, irritability, nausea, sweating, coordination problems, and even memory loss. Some individuals may report additional symptoms, such as heartbeat irregularities and an increased susceptibility to illness.
- Jewett staging system
A system for determining the stage of a prostate cancer. The system uses ABCD. The letters “A” and “B” designate cancers that are confined to the prostate. The letter “C” applies to cancers that have grown out of the prostate but have not yet metastasized (spread) to lymph nodes or other sites. And the letter […]
- Jimmy Fund
A children’s cancer fund that has been responsible for highly significant work, especially on chemotherapy, that has reduced the death rate with some childhood cancers — particularly, the most common form of leukemia in children — from 90% to 10%. The Fund was started by Dr. Sidney Farber, the father of modern chemotherapy.
Juvenile myelomonocytic leukemia.
- Jock itch
A common fungal infection sometimes referred to as ringworm, involving the skin of the inner thighs, buttocks, and genitals. Also known as tinea cruris. It occurs most frequently in people who are overweight and/or who sweat profusely, such as athletes. Symptoms include an itchy, red, sometimes ring-shaped rash. Treatment involves topical or oral antifungal medications.
- Jogger's nails
Very small semi-circular white spots on the toenails. The white spots on the nails reflect injury to the base (matrix) of the nail. The matrix is the part under the visible nail where the nail cells and the nail itself are produced. The injury to the nail matrix responsible for the white spots is often […]