S
SAD syndrome
Salmonella
Sarcoidosis
Scabies
Scarlett Fever
Schistosomiasis
Schizophrenia
Scorpion sting
Septicemia
Sex drive
Shigellosis
Shingles
Sinusitis
Sleep apnea
Sleep disorders
Slipped disc
Smallpox
Smokers cough
Snake bite
Snoring
Sperm count
Spider bite
Sporothrix
Sprains
Stachybotrys
Staph infection
Strep infection
STD
Sterility
Stroke
Sun poisoning
Swine Flu
Syphilis