Substance abuse is one the curses of our time.
But amid the abuses are signs that there might be useful sides, a case in point being nicotine.
Tobacco use has shortened the life of many a user. But now researchers are finding that although smoking is bad for us, smokers had less incidence of Parkinsons.
And tests of nicotine on non-human test subjects has shown benefits, although human studies have not yet been done.
But apparently nicotine has the ability…