Uploaded August 2026 | Updated September 2026, 8 hours ago
A Great Dane may live 7–8 years. A Chihuahua can live 17–18.
Why such a huge difference?
Celine Halioua, founder and CEO of @loyalfordogs, explains how the biology that makes big dogs grow big may also cause them to age faster—and how Loyal is developing drugs designed to extend dogs’ healthy lifespans.
If it works, the impact could mean millions of additional years of life with the dogs we love.
A Great Dane may live 7–8 years. A Chihuahua can live 17–18.
Why such a huge difference?
Celine Halioua, founder and CEO of @loyalfordogs, explains how the biology that makes big dogs grow big may also cause them to age faster—and how Loyal is developing drugs designed to extend dogs’ healthy lifespans.
If it works, the impact could mean millions of additional years of life with the dogs we love.










