Japanese Maple Tree Varieties. Japanese maple tree often refers to maple tree cultivars from Acer palmatum, and also may include maple trees from species Acer japonicum, and Acer shirasawanum. Acer japonicum. Acer palmatum. Acer shirasawanum. A. japonicum Aconitifolium 'Dancing Peacock'.
Vitamins that will stop hair from turning gray. Photo Credit Vitamin C image by Mykola Velychko from <a href='http://www.fotolia.com'>Fotolia.com</a>. Grey hair naturally occurs as you begin to age. The hair is made up of two parts called a shaft and a root. As you get older, the pigments in the hair begin to die, leaving fewer pigments in the hair.
You are more prone to compromise on your diet which is bad for your hair. Caffeine is also said the increase levels of Cortisol, which is basically a stress hormone. You may not notice this sign early, but stress causes hair problem too. Your hair can turn gray or you may lose your hair.