Bacterial infections have been known to cause horizontal ridges in nails. Yeast or other fungal infections can lead to nail issues and one of those symptoms can be horizontal ridges. Other infections like heart valve infections and viral warts can also change the way your nail looks, including horizontal ridges.
The clinical syndrome has been characterized by restlessness, anorexia, irritability and insomnia that begin less than 24 hours after discontinuation of marijuana, peak in intensity on days 2 to 4, and last for seven to 10 days (Budney et al., 1999; Haney et al., 1999; Mendelson et al., 1984).
During withdrawal from marijuana you may feel uneasy and not like yourself. These feelings will pass! Marijuana withdrawal, though it is not considered to be incredibly severe, is not easy to weather. Many users who go through marijuana withdrawal confirm that it feels similar to nicotine withdrawal. Nicotine withdrawal, according to smokefree.gov, creates symptoms very similar to marijuana withdrawal including: