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 (ED)/impotence is defined as the inability to achieve and maintain an erection that is satisfactory for the completion of sexual activity. In general, the cause of erectile dysfunction is divided into two types. Many men will have both. psychological (mental) causes and. physical or organic (having to do with a bodily organ or an organ system) causes.