FOR EXAMPLE:
Let's say you've been taking melatonin every single night to help you sleep. After a while, you may notice that it begins to take more and more melatonin for it to work like it did the first night you took it. You were taking one per night, but you end up taking 3 per night to get the same effect because your body has resistant to the drug.
ANSWER:
After a while of taking antibiotics, microorganisms in your body may become resistant to the antibiotics (which is potentially dangerous). This occurs when bacteria change to reduce the effects of a drug.
180 cm converted to feet is 5.90 feet if you have to round then 6 feet but it is exactly 5.9 feet
Answer:
Ideally consult, if there is any adverse effect that is harming you, and that is the cause of the displeasure, if such, you should report it to your doctor and immediately discontinue the medicine.