Bio-health - home, Bio-health ltd are manufacturers of pure herbal products. Home | biohealth sciences | oregon state university, Dr. theo dreher, chair biohealth sciences 225 nash hall oregon state university corvallis, or 97331. 541-737-3875 biohealth.science.oregonstate.edu. Biohealth investor, At the end of december, we usually review the biotech sector to see which stocks have the most upside for the year ahead. the basis of the “implied upside” is the.