Want to be a 1,000-year-old grandpa? Some Silicon Valley prognosticators are pondering the controversial question of whether we have a right to not get old. No, we’re not talking euthanasia — and the answer depends on how doctors, lawyers and philosophers define aging. But a few unorthodox futurists in the tech mecca think we should treat aging as a disease, like malaria or cancer. Some even think we have the right to preventative care to keep aging at bay, which could unleash a torrent of sci-fi worthy treatments.