In contrast, inflammatory arthritis types, such as rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis, cause morning stiffness due to overnight accumulation of inflammation in the ...
Tessa Flores (tessaflores) on BuzzFeed - Tessa Flores is a Staff Writer for HuffPost covering a number of shopping topics and lifestyle trends. She is based in Los Angeles and is an Oregon Native.