Arthritis (Osteoarthritis and Rheumatoid) & Osteoporosis

Osteoarthritis 
Mayo Clinic – Osteoarthritis is the most common form of arthritis.
https://www.mayoclinic.org/diseases-conditions/osteoarthritis/symptoms-causes/syc-20351925

Arthritis Foundation – Osteoarthritis is sometimes called ‘wear and tear arthritis’.
https://www.arthritis.org/diseases/osteoarthritis

Rheumatoid Arthritis
American College of Rheumatology
https://www.rheumatology.org/I-Am-A/Patient-Caregiver/Diseases-Conditions/Rheumatoid-Arthritis

Osteoporosis
National Osteoporosis Foundation – Osteoporosis means “porous bone.”
https://www.nof.org/patients/what-is-osteoporosis/