How do neutrinos affect humans?
Neutrinos don't really affect the everyday lives of most humans: they don't make up atoms (like electrons, protons and neutrons), and they don't play a crucial role in objects their mass (like the Higgs boson).
How is a neutrino different from a neutron?
Neutrons and neutrinos are two different types of particles. The main difference between neutrons and neutrinos is that neutrons are made of quarks, whereas neutrinos are a type of fundamental particles that are not made of any other particles.