Freebase(0.00 / 0 votes)Rate this definition: Thistle. Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae. Prickles often occur all over the plant â on surfaces such as those of the stem and flat parts of leaves.
Men's Health. Shock treatment may improve erectile dysfunction. An experimental therapy known as low-intensity shock wave treatment might improve erectile dysfunction, particularly for men with only mild to moderate sexual difficulties, a research review suggests.
Affecting an estimated 30 million men in the U.S. alone, ED can be treated orally with what have come to be commonly-known medications such as Viagra, Cialis, Levitra and now Stendra â the first erectile dysfunction drug FDA-approved in 10 years.