Dr. Donna finds a valuable herbal medicine near Mt. Baker but you can find it at the health food store in capsules. LIon’s Mane Mushroom or more specifically Boar’s Head Mushroom (Hericium erinaceus) grows in dead fir logs. This is an incredible nerve medicine with hundreds of scientific research to back it up and it works in all species. A dose for a dog is 250 mg per 40 lbs/BW and for a cat it is 125 mg per 10 lbs/BW daily. It slows down canine cognitive dysfunction, degenerative myelopathy and other progressive neuropathies.