Again, anything can be bad for you, if you over indulge.
And yes, the people that can digest lactose ARE designed to drink non-human milk - we've evolved to exploit a food source, which can happen in a short period of time The ability to process lactose from milk and cheese was a HUGE genetic advantage to people in northern and desert climates.
I have an allergy to a protein that is in beef in large quanities, and in milk in a small amount, and generally processed out of cheese. So I don't consume any beef, and some milk and cheese. That doesn't mean that eating beef is abnormal.
And yes, the people that can digest lactose ARE designed to drink non-human milk - we've evolved to exploit a food source, which can happen in a short period of time The ability to process lactose from milk and cheese was a HUGE genetic advantage to people in northern and desert climates.
I have an allergy to a protein that is in beef in large quanities, and in milk in a small amount, and generally processed out of cheese. So I don't consume any beef, and some milk and cheese. That doesn't mean that eating beef is abnormal.