A free lecture on veterinary care will be presented May 16, at 7 p.m., by Cristina Valas, DVM at the Hopkinton Senior Center, 28 Mayhew St., Hopkinton. Learn about the benefits of using cold, low-level laser therapy to treat disease conditions in pets by alleviating pain and inflammation where conventional methods fail. RSVP by calling 800-439-4441 ext. 110. To view Hopkinton Drug's full lecture series, visit www.rxandhealth.com.