Medical experts advise the public on the importance of wearing sunglasses to protect the eyes from UV; for adequate protection, experts recommend sunglasses that reflect or filter out 99-100% of UVA and UVB light, with wavelengths up to 400 nm.
In 2008, a KSLA news investigation found that a substance that fell to earth from a high altitude chemtrail contained high levels of Barium (6.8 ppm) and Lead (8.2 ppm) as well as trace amounts of other chemicals including arsenic, chromium, cadmium, selenium and silver.
Mechanism of action. Raltitrexed is chemically similar to folic acid and is in the class of chemotherapy drugs called folate antimetabolites, which inhibit one or more of three. enzymes that use folate and deriavtives as substrates: DHFR, GARFT and Thymidine synthase.