Because bipolar disorder and dementia are gained illnesses (usually at a later age), while anxiety and depression can happen to anyone from past experiences or just stress.
Answer:
What are the basic nail diseases disorders?
Some of the causes of nail disorders include the following:
Infections (such as paronychia, warts, and green nail syndrome)
Injuries.
Internal diseases (such as certain lung diseases, which can cause yellow nail syndrome)
Nail fungus (onychomycosis)
Structural problems (such as an ingrown toenail)
Explanation:
Hope it helps!, Correct me if I am wrong :)
1)yes
2)yes
3)yes
4)yes
5)yes
6)no