Low Dose Naltrexone (LDN) holds the potential to help millions of people suffering from various autoimmune diseases and cancers. It has been used to help those with autism, chronic fatigue, and depression find relief, and latest research points to its potential for long covid, mold toxicity, even longevity. Administered off-label in small daily doses (0.5 to 4.5 mg), this generic drug is extremely affordable and presents few known side effects. So why has it languished in relative medical obscurity? Find out more about the potential of LDN from leading international medical professionals in this updated, third book, edited by Linda Elsegood, founder of The LDN Trust.