MSMA (monosodium methanearsonate) is an arsenic-based grass killer. It kills grassy weeds such as crabgrass and goosegrass without harming most turfgrasses. It contains organic arsenic that, according to the University of Tennessee Extension, is less harmful than aspirin.
There are several styles of hearing aids available, from the smallest - Invisible in the Canal (IIC) to the largest and strongest - Power Behind the Ear (BTE), and the very popular Receiver in the Canal (RIC) - made to fit most hearing losses while remaining nearly unseen.
Myth: The invisible hearing aids worn in the ear are the best hearing aids to purchase. Fact: There are several styles of hearing aids, and all are âstate of the art.â What is most important is that you purchase a hearing aid that accommodates your hearing loss and your listening needs.