Pedialyte.
Start with a few teaspoons every 5 minutes. When they can drink without throwing up, try giving larger amounts.
Because the white ones have pus and the is just a like white kind of cream color. the blacks are called blackheads btw
An advantage would be, knowing what exactly is in the food. A lot of the time it is also healthier as well to prepare your own food then buying it done already.
Lifting weights.
working with resistance bands.
heavy gardening, such as digging and shovelling.
climbing stairs.
hill walking.
cycling.
dance.
push-ups, sit-ups and squats.
