Well vitamin a can hurt you by headaches, liver damage and birth defects. Anabolic steroids also have similar health risks such as liver damage but also include high blood pressure and kidney problems.
Hope this helps.
Answer:
girl it's not posting but i answered on ur question
Answer:
D
Explanation:
A and b are basically the same thing and when overtraining you might feel sick
Answer:
When you are exercising, your muscles need extra oxygen some three times as much as resting muscles.
This need means that your heart starts pumping faster, which makes for a quicker pulse. Meanwhile, your lungs are also taking in more air, hence the harder breathing
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