June 21 is the first day of summer, but it’s also International Day of Yoga, as designated by the United Nations. Yoga is great exercise, therapy, and mind-body activity that you can literally do anywhere, no matter your physical condition. If you haven’t tried it in a while (or ever), today’s the day! Endorsed by 175 UN member states, they day was introduced by India’s Prime Minister Narenda Modi, who said, “Yoga is an invaluable gift from our ancient tradition. Yoga embodies unity of mind and body, thought and action…a holistic approach [that]is valuable to our health and our well-being. […]