True. Indirect sunlight does not directly pose any danger to the skin. This is because exposure is less and the heat that is generated from the sun does not penetrate other layers of the skin. But over a long period of time, this can indirectly affect the body that is why there are a lot of skin protecting products available in the market.
Fad diets are claimed to the loss of fat you lose but most times it's water weight you are losing.
Tolerance is one aspect of physical dependence. It's basically when your body gets used to a medication and you no longer get the same amount of pain relief from a given dose of the medication. A person needs to continue to increase the dose of the medication in order to get the same effect.
Withdrawal is another component of physical dependence. That's when the medication is stopped abruptly or the dose is lowered too quickly and a person experiences unpleasant symptoms