I've always found that it's usually women that cause issues in the workplace. I started working at a care home last year to earn some money for uni. Out of the 20 staff, there was only one other guy (who was the manager). Without trying to sound arrogant I'm a relatively good looking guy and I had a bit of attention from the women in their 20's who worked there. After about a week I overheard some of the older women talking about how much of a 'poser' I was and that the only reason I was working in that industry was to look good and get girls in bed. A few days later one of the older women filed a complaint making up some BS that I had slept with one of my colleagues on company property which was just a massive lie as I wasn't even working on the day she claimed I did it. She ended up getting the sack.
Then there was a massive divide between the older and younger girls. They wouldn't talk to each other because the younger girls all knew that it was a lie and the older ones thought that I had got her sacked and the other girls were taking my side.
After a month I was pushed out of my job and transferred to another care home because the manager thought it would be a better environment for me. In the other home there were more guys there and it was just a much healthier environment, banter was chucked around a bit, everyone worked harder, it was better run and the residents were far happier.
To summarise, some women like to bitch and cause agro. Guys are generally better to get along with IMO. If I've ever been given grief in the workplace, it's been from a woman.