8 practical tips to help someone with Dementia to eat morePeople living with Alzheimer’s or dementia often eat less than they used to. Reasons for this may include problems with chewing, swallowing or digesting food. Compiled here are 8 practical tips for helping someone with dementia to eat more. Sometimes people just lose interest in food. This can happen for many reasons including loss of taste, the ability to smell, memory loss, and thinking they have already eaten. Certain medications can also affect appetite.