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.
While achieving an erection may be something that many men take for granted, erectile dysfunction is actually quite common. Known as ED or impotence, erectile dysfunction is a defined as the inability to achieve an erection. Erectile dysfunction may also refer to the inability to sustain an erection for sexual intercourse. While erectile dysfunction may occur in just 5% of men who are 40 years old, that percentage can climb with age.