Published On: Sep 14 2011 09:47:59 PM CDTUpdated On: Jan 21 2015 01:00:00 AM CST
Country singer Miranda Lambert and her dog pose at rehearsals for the 2010 CMT Awards at Bridgestone Arena on June 8, 2010, in Nashville, Tennessee.
Star Jones arrives with her dog at the Ovarian Cancer Research Fund's 16th Annual Super Saturday on July 27, 2013, in Water Mill, New York.
Actress Jennie Garth and her dog attend the Beverly Center's Holiday Pet Portraits Debut on Nov. 13, 2014, in Los Angeles.
Actress Maria Conchita Alonso and her dog Tequila are seen at the grand opening of the fourth Pooch Hotel on May 3, 2012, in Hollywood, California.
Country music singer-songwriter Jamey Johnson and his dog Hank pose for photos backstage before a concert at Tipitina's uptown on May 5, 2011, in New Orleans, Louisiana.
Actor Gilles Marini and his dog Mila celebrate the "Green Works Muddy Puppy" video premiere at the Palihouse Hotel in Los Angeles on Oct. 2, 2014.
Chris Isaak and his dog Rodney arrive at the Keep Memory Alive foundation's "Power of Love Gala" celebrating Muhammad Ali's 70th birthday at the MGM Grand Garden Arena on Feb. 18, 2012, in Las Vegas, Nevada.
Paula Abdul takes the stage with a rescue dalmatian at Fox's Cause For Paws: All Star Dog Spectacular at Barker Hangar on Nov. 22, 2014, in Santa Monica, California.
U.S. President Barack Obama greets his dog Bo outside the Oval Office of the White House on March 15, 2012, in Washington, D.C.
Three-time Indianapolis 500 winner Dario Franchitti poses with his wife, actress Ashley Judd, and their dogs on the yard of bricks during the Indianapolis 500 Mile Race Trophy Presentation at Indianapolis Motor Speedway on May 28, 2012.
Actor Richard Belzer and his dog arrive at the 2011 Directors Guild Of America Honors on Oct. 13, 2011, in New York City.
In this handout image provided by Kensington Palace, Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge pose for a photograph with their son, Prince George Alexander Louis of Cambridge, surrounded by Lupo, the couple's cocker spaniel, and Tilly the retriever (a Middleton family pet) in the garden of the Middleton family home in August 2013 in Bucklebury, Berkshire.
Actress Susan Sarandon (left), her dog and her daughter Eva Amurri (right) attend Longchamp's 60th Anniversary celebration at La Maison Unique Longchamp on July 14, 2008, in New York City.
Anne Leary, Denis Leary and their dog Daphne attend the New York premiere of "Marley & Me" at Tribeca Cinemas Gallery on Dec. 17, 2008, in New York City.
Model/actress Beth Ostrosky and her dog Bianca attend the New York premiere of "Marley & Me" at Tribeca Cinemas Gallery on Dec. 17, 2008, in New York City.
Actor Mickey Rourke arrives with his dog, Loki, for the award ceremony of the Venice Film Festival, Sept. 6, 2008. Loki died in February 2009 at the age of 18.
Tori Spelling arrives with her dog at a cocktail party for the launch of her book "sTORI Telling" at the Kitson boutique on March 18, 2008, in Los Angeles.
Bill Maher, his girlfriend and their dog after ceremonies unveiling his star on the Hollywood Walk of Fame on Sept. 14, 2010.
Tennis star Venus Williams and her dog leave the press conference during previews for the WTA Internazionali BNL D'Italia at Foro Italico on May 3, 2009, in Rome, Italy.
U.S. President George W. Bush and first lady Laura Bush with their dogs Spot and Barney talk with the media on Nov. 13, 2001, in Waco, Texas. Spot, the daughter of President George H.W. Bush's dog, Millie, was put to sleep in February 2004 at the age of 15 after a series of health troubles. Barney died of lymphoma in February 2013.
First lady Laura Bush shows off Miss Beazley, the Scottish terrier pup given to her as a birthday present by President George W. Bush, during an event at the White House on Jan. 6, 2005, in Washington, D.C. The dog, named for the character Uncle Beazley, a dinosaur in Oliver Butterworth's children's book "The Enormous Egg," died from lymphoma in May 2014.
Kelly Osbourne, left, introduces her dog, Fanny, as she and her mother Sharon Osbourne announce the winner of the Choice R&B Artist award during the 2004 Teen Choice Awards at the Universal Ampitheatre in Los Angeles on Aug. 8, 2004.
Singer Mya holds her dog Journey at the North Shore Animal League America's 8th Annual Tour For Life press conference on March 26, 2008, in Port Washington, New York.
Singer Britney Spears arrives with her dog at the MGM Grand Garden Arena for the 2004 Billboard Music Awards in Las Vegas on Dec. 8, 2004.
Fran Drescher attends the Much Love Animal Rescues Bow Wow Ciao Benefit at the Serra Retreat on Aug. 5, 2006, in Malibu, California.
Tennis star Serena Williams holds her dog Jackie as her sister Venus Williams plays against Sania Mirza of India during the Bank of the West Classic tennis tournament on July 27, 2005, at Stanford University in Palo Alto, California.
Nicole Richie attends the Pelle Pelle Celebrity Catwalk for Charity at the Hollywood Palladium on Aug. 19, 2004, in Los Angeles, California.
Paris Hilton and her dog, Tinkerbell.
Elizabeth Taylor leaves the CNN Studios after an appearance on "Larry King Live" in Los Angeles on May 30, 2006.
Actress Lauren Bacall poses with her dog, Sophie, during a photo call at the 57th Berlinale International Film Festival in 2007.
Studies have shown medical marijuana can help treat or alleviate ailments associated with certain diseases. Here are 10 of those diseases and a little bit about the medical studies thatdiscovered potential benefits of the drug.