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.
On one hand, they improve endothelial function, which may improve blood flow to the penis; but on the other hand, they lower the level of cholesterol, a precursor of testosterone. However, these 11 studies showed that the beneficial effect [of statins on erectile dysfunction] predominates..