The internal unwanted effect of condoms is pregnancy. Sometimes the risk is ok to take. Sometimes it is not.

There are dangers in birth control. There are dangers in not taking birth control. Human life is largely about assessing different dangers. Sometimes it is really difficult and we need professional help in assessing the risks.

When discussing dangers of birth control we need to look at the whole picture. Not just some focal points.

Those nutritient drinks are awful for long term consumption for multiple reasons and here are only some of the reasons:

1. Humans thrive with variety. We are adapted to adapting.
2. Getting enough nutritients is not enough. We need volume. Otherwise we are hungry and have bad cravings. Just like if we eat highly calorie dense food, our system does not realize it has enough energy.
3. Humans get bored. See 1.
4. Teeth and mouth. Our teeth and muscles need to work. So chewing is essential.
5. We need stuff that we do not know about yet. For example it is not so many years ago we knew next to nothing about gut bacteria and its huge importance. That bacteria needs stuff industrial nutritive products probably no not have.
6. Fibre. Different kinds of fibre in sufficient amounts.
7. And so on and on and on.

If mining is cheaper then labor is too cheap. Way too cheap.

Public health is only partly issue demanding medical doctors. A lot can be done by other, less expensive professionals. Medical doctors are not professionals in life style improvement. Psychologist, dietitians and even communication specialists may be very useful in making public health issues known to ordinary people.