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.
1 Try nicotine replacement, such as over-the-counter gum or lozenges, or ask your doctor about a prescription medication that can help you quit. 2  Lose excess pounds. 3  Being overweight can cause â or worsen â erectile dysfunction.