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.
Absent an underlying medical condition, marijuana can help some men relax and overcome their performance anxiety, which can help them achieve an erection. Because so many factors can contribute to ED, itâs hard to say whether marijuana use will help or hinder an individualâs ability to get and keep an erection.