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.
While open-fit hearing aids are the most popular choice of hearing aids and certainly offer many benefits, they are not for everyone. The best practice before selecting a hearing aid is to have a hearing test done by a qualified hearing healthcare provider. The best style of hearing aid for an individual depends on hearing test results, dexterity, vision, communication needs, lifestyle and what they can afford.
Hearing aids. Hearing aids can be useful for children with any level of deafness. The type of hearing aid that will be suitable for your child will depend on the type and level of deafness they have and the grade of microtia present. Hearing aids work by amplifying (making louder) sounds going into the ear.