In all but the poorest countries chronic diseases are the most serious health problem in poor countries.
That is correct. In the US however it's mostly the high cost of health care that is a major concern.
aids
Sorry bro, shedding is never a serious health problem unless there's a weird rash
aids
AIDS
Premature birth is a major cause of serious health problems in neonates.
Black molds are more dangerous. They can cause serious health problems for you. Skin is the primary concern after mold attack.
Lice infestation is a serious public health problem because some lice can carry organisms that cause other diseases, including relapsing fever, trench fever, and epidemic typhus.
Smoking is a health concern around the world; especially outside of the industrial world where the harmful effects are not advertised.
Pollution is a very serious problem.It is very bad for health for everyone
intractable hiccups, which are hiccups that last months, can cause health problems and may be a sign of serious health problems.
depression