tara mergener is this washington with details. good morning. >> reporter: good morning. well, these international travelers will be facing new scrutiny now. the tsa calls it a major step forward. starting came, all travelers who want to get into the u.s. will have to play by tough new security rules. but people flying from nations considered to be sponsors of terrorism or other countries of interest will see the biggest changes. mandatory full body pat-downs, carry-out searches and body scans are part of the latest ways of enhanced procedures. at least 14 countries are on the list, nearly all are muslim. philadelphia residents alex and nica went through ramped up measures on their flight from belgium sunday but weren't impressed. >> they looked through my bag and they missed one bag, so sort of felt very artificial. >> reporter: the new guide lines come more than a week after a man allegedly tried to blow up a u.s.-bound plane on christmas day. airports around the world have been on alert ever since. another security breach just last night forced one. country's busiest a

cbs news correspondent tara mergener reports. >> reporter: at this canyon ranch resort nestled deep inund healthier life stilts. eating, fitness, sleep. so what would you like to improve about your health? >> reporter: meet doctor markly upon miss, corporate medical joint. for he and his staff, improving overall health is their life's work. the most effective way to get started he says is by setting goals. >> there's always something that we could do to get healthier for the new year. and that might be something simple like giving up soda or it might be trying to get to bed every night by 11:00. or it might be making sure they get out for that walk in the morning or that jog at noon. >> reporter: diet and exercise two key components of health are a way of life on the ranch. >> nutrition is really the foundation of everything that we do. it gives us energy, it really helps for boost our immune system. we of course have our greens. >> reporter: nutritionist chrissy wellington offers these tips for a balanced diet. >> stay civil, be creative. cooking is only as digt as you make it. introd