It can be found in some animal-based foods in its pre-made form, or found in plants in the form of beta-carotene -- a compound your body digests to form two vitamin A molecules. Yellow and dark green vegetables and fruits are good sources of the carotenes, including beta-carotene.
With the flu, you may feel very weak and fatigued for up to two or three weeks. You'll have muscle aches and periods of chills and sweats as fever comes and goes. You may also have a stuffy or runny nose, headache, and sore throat.
Influenza can be a serious illness. Symptoms include fever, chills, headache, body aches, sore throat, runny nose, dry cough and a general feeling of exhaustion and sickness. While the fever usually lasts two to five days, other symptoms can linger for 10 days or more.If you have the flu, stay home, rest and do not exercise. You can start exercising again safely when you have been fever-free for at least 24 hours or longer.Not only can you harm your body by exercising with a fever but you also may be capable of spreading the flu virus to others.nfluenza can be a serious illness. Symptoms include fever, chills, headache, body aches, sore throat, runny nose, dry cough and a general feeling of exhaustion and sickness. While the fever usually lasts two to five days, other symptoms can linger for 10 days or more.