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 Do I Claim Dependents on My Taxes? You can claim dependents when you prepare your tax return on 1040A efile it or 1040A efile it (Find out which type of Form 1040 to file here). It is easy to claim dependents when you prepare your return on efile.com.