I am experiencing lightheadedness, fatigue and dizziness (better by: with fluids, rest) (worsened by: hot weather, sitting upright, prolonged standing). The following also describes me: Rapid heart rate. What should I do?

Hydration. You may not be drinking enough water. Drink enough water daily so that your urine is mostly colorless.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex.
Get HPV vaccine.

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