Being in love can make us feel like we're on top of the world but it's something that affects a lot more than our mood — loving relationships improve our looks and our health, too. Love may just be the best medicine out there. Just how powerful is love? Your strong relationship can do everything from lowering your blood pressure to helping you recover from cancer. It even keeps your skin healthy! And, it's not just romantic relationships that are responsible for your awesome well-being. Your close friendships and parental love are keeping you in tip-top shape, too. Here's how love is making you happier, healthier and hotter than ever before.