By weight, the average human adult male is approximately 60% water. However, there can be considerable variation in body water percentage based on a number of factors like age, health, weight, and sex.
How to claim medical tax deductions. Once you've totaled your medical expenses for the year, fill out the appropriate form in your tax return. If you include medical expenses in your itemized tax deductions, make sure to save your medical bills and payment statements as proof.
If you traveled 1000 miles to a Mayo Clinic for treatments three times last year, plus back and forth to your doctor 10 times at 30 miles each appointment this would mean you have a deductible medical travel expenditure of $544.50 to claim at tax time.