that s normal for his age. i want you to pull yourself .p. reporter: but this is iest possible sign of here we go. autism. reporter: the startling news. at 6 months, it could be the earliest possible sign of s ben chacin in that s ben chacin in research video. video. look again. see how his head stays back? pediatricians have known head lag like this can be a sign of developmental delays. this is the first to connect it to autism. because early intervention is key, doctors say it could make a huge difference in treatment. we don t have to wait until after their 1st birthday until first words aren t emerging. we can take action now to we can go ahead and take tested a group of babies who had develop better. babies at reporter: dr. rebecca landa tested a group of babies who had an autistic sibling. babies at high risk. 75% of babies with head lag like ben ended up diagnosed with clue, at age 2. and without that clue, ben s parents would never have suspected it. i would
antage to help rly in life, we really have a huge advantage to help children s brains connect themselves in a healthier r: families can start reporter: families can start therapy sooner. that s what happened with ben with intensive speech and wi occupational therapy. here he is today. i m going to blow your house your house down. i have a very loud, 3 1/terous, wonderful ter: benar-old son. reporter: ben is now considered only borderline delayed. it says yellow flowers. reporter: an amazing glimpse of what early intervention can do beginning with a simple test. good job. dr. richard besser, abc news, new york. dr. richard besser, abc news, as you can imagine, we take coffee very seriously on this shift. and we have just learned that it .ow has an added benefit. because apparently, it could make you live longer. because an extensive study of 400,000 xtensive study of 400,000 rs had a slightly lower risk of death ly lower risk of death the national cancer institute says it
radiancy. halle berry i believe in miracles i see miracles a 58-year-old stroke survivor who is paralyzed was all smiles after sipping a latte with the help of her mind-controlled robotic arm. this story is awesome. it really is. she is 1 of 2 patients able to reach and grasp with a robotic limb linked to a sensor right there in her brain. we get more from the bbc s fergus walsh. reporter: you are watching something extraordinary. cathy hutchinson is controlling a robotic arm with her thoughts. notice the box which is screwed onto her head. that s linked directly to a sensor in her brain. paralyzed from the neck down, this is the first time in nearly 15 years she has served herself a drink. she can t talk, but was able to communicate this message. i couldn t believe my eyes when i was able to drink coffee without help. i was ecstatic. i had feelings of hope and a great sense of independence. the key to the technology is this tiny sensor dwarfed even by a five pe