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.
What Is Erectile Dysfunction? Erectile dysfunction (ED) affects as many as 30 million men in the United States. Almost half of men over age 75 experience ED, according to the National Institutes of Health. ED is commonly called âimpotence.â Itâs a condition in which a man canât achieve or maintain an erection during sexual performance.