The joint hypermobility syndrome is a condition that features joints that easily move beyond the normal range expected for that particular joint. Hypermobile joints tend to be inherited. Symptoms of the joint hypermobility syndrome include pain in the knees, fingers, hips, and elbows. Often joint hypermobility causes no symptoms and requires no treatment. Treatments are customized for each individual based on their particular manifestations.
babies aren't going to notice if you dilute it, it tastes better than water and is healthier than just juice. Babies older than six months old can only have 4 oz of juice per day and it is really sweet. Some babies are sensitive to juice and can get diarrhea.
I am not a big fan of juice for babies (unless they are having problems with true constipation). When they start eating solids well, you can give a little pure juice (not sugar-water, flavored)....fruit is better after about age six months. Most of the time, they do not need more water than what they are getting in breast milk or formula. If is hot outside, it's okay to give a little water...it won't hurt them, but you don't want them to fill up their little tummies with water to the point where they won't take nourishment.