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.
Erectile Dysfunction. Erectile dysfunction, or ED, is the inability to achieve or sustain an erection suitable for sexual intercourse. Causes include medications, chronic illnesses, poor blood flow to the penis, drinking too much alcohol, or being too tired. Erectile Dysfunction News. latest headlines.