It's a new week and a new chance to make healthy lifestyle changes. Today, pack a healthy brown bag lunch in lieu of fast food and head to the AARP/Walgreens Wellness Tour, which rolls into town to offer free health screenings for anyone 18 and older. The gamut of tests include bone density, cholesterol, glucose, blood pressure, waist circumference and body mass analysis. No appointments are required, results are provided immediately and all six screenings generally take 20 to 25 minutes to complete — so you have no excuses for missing it. Noon-6 p.m. Mon., June 8, Walgreens, 3601 Bee Ridge Rd, Sarasota, aarpwalgreens.com/tour.

The International Ocean Institute hosts a screening of A Sea Change: Imagine a World Without Fish in celebration of World Ocean Day. The documentary discusses ocean acidification, a result of climate change that has presented serious issues for sea life. 6:30 p.m. Mon., June 8, Florida Fish and Wildlife Research Institute, 100 8th Ave S.E., St. Petersburg, 727-873-4745, research.myfwc.com.

It's the final days to see the Greatest Hits: Centre Gallery Past and Present exhibit, which features the multimedia works of current or former Gallery employees, including Sara Jones, Adam Kitzerow, Vincent Kral, Kurt Piazza, Anthony Record, John F. Russell and Elena Vee. These creative locals work in mediums ranging from painting to sculpture, video and interactive media. Runs through June 12, USF Marshall Student Center, 4202 E. Fowler Ave.,Tampa, 813-974-5464, ctr.usf.edu/gallery.