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Your iPhone can make calls (sort of) and check your email, sure, but new apps are being developed that will allow you to monitor your own health with just your phone. The iPhone is good for more than just playing Angry Birds and making on-the-fly Twitter updates

Nanoparticles have been investigated in recent years as tools for defending the brain against neurotoxic proteins that may contribute to the onset of several different neurodegenerative disorders including Alzheimer's disease . Such proteins, in particular amyloid-beta peptides, are thought to play a role depositing fibrous plaques on the brain that damage synapses (the contact points between neurons) and lead to a decline in cognitive capabilities .

A newly developed nanoparticle cream could hold the cure for nickel allergies and skin irritation from metal jewelery. Approximately 10% of the population has a nickel allergy that causes skin irritation when they wear inexpensive metal jewelery or handle coins for an extended period of time.