Vitamins B6, B12, and folic acid may reduce the frequency, severity and disability of migraines, according to new research. Daily vitamin supplements were found to produce a two-fold reduction in migraine disability. About 12 to 15 percent of people suffer from migraines, with twice as many women as men affected. The headaches are sometimes preceded by flashes of light, blind spots, tingling in the arms or legs, or anxiety.
Symptoms. Many people, especially children and teens, may experience no signs or symptoms during a mild case of dengue fever. When symptoms do occur, they usually begin four to 10 days after you are bitten by an infected mosquito. Signs and symptoms of dengue fever most commonly include: 1  Fever, as high as 106 F (41 C). 2  Headaches. 3  Muscle, bone and joint pain. 4  Pain behind your eyes.
For other uses, see Dengue fever (disambiguation) . Dengue fever, also known as breakbone fever, is a mosquito-borne tropical disease caused by the dengue virus. Symptoms include fever, headache, muscle and joint pains, and a characteristic skin rash that is similar to measles.he characteristic symptoms of dengue are sudden-onset fever, headache (typically located behind the eyes), muscle and joint pains, and a rash. The alternative name for dengue, breakbone fever, comes from the associated muscle and joint pains.