Also referred to as environmental illness, multiple chemical sensitivity is when someone reacts negatively to chemicals and toxins. Epidemiologic studies show that about 30% of the population is sensitive to common chemicals and foods with between 3.5% and 6% seriously sensitive. This group is a social and support group for those who have found that they are unable to tolerate many of the foods and chemicals that society takes for granted. These include paints, pollens, molds, plastics, gases, s …

Join the Natural History Society of Maryland to meet other nature lovers, outdoor enthusiasts, naturalists, and similarly inquisitive minds. We offer a wide variety of programs for the beginner to the advanced naturalist, and from informal social events to in-depth courses. Everyone is welcome, but membership offers many free programs and discounts on others. So join us in a search for reptiles and amphibians, a canoe trip on the Chesapeake Bay, or to learn everything there is to know about Mary …