A preview of the emerging health care companies profiled in the current issue of Start-Up. This month's profile groups: Small Steps Forward in Treating Ischemic Stroke and Spine-Bending Market. Plus these Start-Ups across Health Care: Alveolus Inc. and BioCare Systems Inc.

BioCare Systems Inc. is targeting "fitness boomers" with its compact heat therapy device that produces a narrow wavelength of infrared light. When applied directly to skin or through clothing, the energy emitted from the device elevates tissue temperature for the temporary relief of minor pain caused by muscle tension, joints, arthritis, sprains and strains.