Once a year
They usually last 1-2 weeks but if it lasts much longer than that or is appearing many times in a year you should consult a doctor.
a 56 year old women should only "make love" a couple times a year. that's nasty!
My eye doctor told me to get an eye exam every 2 years if you wear glasses, and if you wear contacts you need to be seen every single year. I like to go once per year.
12 times.
At least 365 or more.
six months a year
As a bare minimum, every 3 months. (4 times a year)
An 8 year old should get 8 hours of sleep because that's what a doctor would recommend
It can depend on many factors, such as how tall you are and your diet. You should check with your doctor
At least every 3 months, which means 4 times a year. Two of which should be Mectin based.
3 or 2 times a day