Catarina Craveiro, a biomedical research technician from Lisbon, had been hobbled by lower back pain from scoliosis since childhood, unable to do much physically and dependent on ibuprofen for relief.

"These tiny crystals are like grains of sand in the ... so try these ideas if you need fast pain relief: Put ice on your painful joints. If you don't have an ice pack, crush some ice in a plastic ...