David Tredinnick

David Tredinnick was the Conservative MP for Bosworth from 1987 to 2019. His support for astrology and homeopathy led to him being referred to by Labour MP John Denham as the "Right Honourable Member for Holland & Barrett" (a reference to a chain of health food and alt-med shops). He was replaced by another Conservative, Dr. Luke Evans, who has an MD and (might) thus be less of an embarrassment.

Alternative medicine
Tredinnick has served on the Health Select Committee, then the Science and Technology Select Committee &mdash; while on both, he advocated for more use of homeopathy as well as herbal medicine. Rather worryingly, Tredinnick has advocated the use of homeopathy to treat both malaria and HIV/AIDS.

Tredinnick's claim that blood cannot clot under a full moon led to the science journalist Martin Robbins referring to the appointment of both Tredinnick and Nadine Dorries to the Health Select Committee in 2010 as the appointment of "Dumb and Dumber".

He also believes (1) that traditional Chinese medicine can treat cancer and apparently (2) that HIV/AIDS is a type of cancer:

Astrology
His penchant for astrology led to a rather embarrassing expenses claim for astrology software and training. When asked by constituents why exactly he thought this was a valid expense, he responded:

Tredinnick has given talks at the Glastonbury music festival alongside newspaper horoscope writer Jonathan Cainer, extolling the virtues of astrology, and says he has produced astrological charts for other Members of Parliament.