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.
How to Claim Medical Mileage on Medical Expense Deduction. You can deduct your medical and dental care costs on the Schedule A (Form 1040) for the year youâre filing the tax return for. You can still claim the deduction for previous years if youâre eligible and didnât take the write off.