Light year is a unit of distance.The light travels 300,000 kil,ometer per second,the distance traveled by light in one year is called Light year. So if you travel at speed of light, it will take one year. Object with mass can never reach the sped of light.
Severe anxiety, particularly panic attacks, causes many people to wonder whether they are having a heart attack. Chest pain can certainly be a symptom of anxiety, along with other common symptoms such as heart palpitations, a racing heartbeat, shortness of breath, nausea, cold sweats, and lightheadedness. Are you tired of Living with Anxiety? Over 60,000+ people have already learned to end their anxiety problems fast.
PHYSICAL SIGNS OF ANXIETY -- Headaches, short of breath, chest pressure, tightness or heaviness in the throat. NOTE: If these symptoms are mild and improve, fine. But chest discomfort and or shortness of breath, accompanied by nausea or sweating can be signs of a heart attack. Call 911 for serious symptoms.