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Lucy Notarantonio is Newsweek's Senior Lifestyle and Trends Reporter, based in Birmingham, UK. Her focus is trending stories and human interest features ranging from health, pets and travel.

Dog behavior is complex, so it can be hard to tell how our pups feel, whether happy, unhappy or somewhere in between.

It's normal for increased gas before or during your period to cause extra smelly farts. Increased fermentation of food in your colon boosts the production of compounds that emit a rotten egg smell.