Withings (recently bought by Nokia) has a new smart scale out. The Withings Body Cardio adds heart rate measurements to the usual weight-based readings, plus one unique measurement - Pulse Wave Velocity (PWV). Essentially, as your heart pumps blood, a wave propagates through your arteries. The speed of these waves indicates the condition of your arteries - high speed means stiff arteries (which could lead to heart and cardiovascular illness) and low speed means good health. You can use the Health Mate app to check of your PWV is optimal for your age and if not, give you tips on...
Source: http://www.gsmarena.com/new_withings_body_cardio_smart_scale_measures_essential_heart_stats-news-18697.php
