For preventing ENT disorders, eating a balanced diet that includes a lot of fresh vegetables and fruits will help you keep yourself healthy and less prone to illnesses that are caused by viruses and bacteria.
Eating healthy will help build up your immunity to such diseases and exercising will make your body stronger and harder to infect by these problems.
For ear infections and ear problems, you should be careful about how you take care of your ears. When swimming, try to wear earplugs or swimming caps that can cover your ears and keep water out to help prevent swimmer’s ear.
When cleaning your ears, try not to push too deep into the ear or to remove all of the ear wax that actually protects the ear from foreign objects entering it.
Throat problems can be avoided if you avoid such bad habits that can affect it like smoking and drinking.