The answer should probably be no if this is an assignment. But if not, you only live once, right? ;p
Answer:
Alcohol
Explanation: Alcohol in moderation isn't bad but when one starts drinking heavily it can be detrimental to one's health
- Karnoven heart rate Ratio Method
Advantages : Easy to do, cost friendly
Disadvantages : can only predict the amount of maximum oxygen intake
-Vo2max
Advantages : this test directly measures body oxygen consumption , the other tests only try to estimate
Disadvantages : Relativiely time consuming and high cost
