Coffee continues to be the most efficient fuel for the human body's complex system of fuel injectors, auxiliary hearts, and flux capacitors. Fill up your flesh tank with today's Groupon to The Shay Café, set inside the Summa Wellness Institute in Hudson. Steadfast in its commitment to coffee and community, the staff behind the bar at family-owned The Shay Café welcome sippers to a cozy atmosphere of colorful walls, pleasant lighting, and organic, fair trade bean brews. Patrons can gulp rich coffee and espresso in addition to a host of healthful homemade sandwiches, wraps, salads, and breakfast fare. (See pricing for drinks and the café menu.)