Original sentence: 'Nepeta cataria or "catnip" or "catmint" is mostly used as a toy for feline enjoyment.Felines have such a strong sense of smell that they can detect the chemical nepetalactone, which is the main active ingrediant in Nepeta cataria
Edited sentence: Felines have such a strong sense of smell that they can detect the chemical nepetalactone, which is the main active ingrediant in Nepeta cataria''.If anything, catnip is beneficial in that it induces aerobic exercise and a pleasant "high" feeling to the cat.Nepeta cataria or "catnip" or "catmint" is mostly used as a toy for feline enjoyment.These effects have been proven to be harmless''' to the feline